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The BMW Range
5 Series
E39
E39 523i 1997 model common problems owners faced
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<blockquote data-quote="moots" data-source="post: 645691" data-attributes="member: 219"><p>nah.....google is your best friend.....</p><p></p><p><strong>The most common problems to check and/or repair in the E39 appear to be (<a href="http://www.bimmerfest.com/forums/showthread.php?t=507799" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5493531&postcount=9" target="_blank">2</a>):</strong></p><ol> <li data-xf-list-type="ol"><strong>- <strong>COOLING SYSTEM</strong> CATASTROPHICALLY FAILS: brittle plastic expansion tank, radiator, & thermostat housings that blow up due to faulty plastic mostly at the upper hose neck and also faulty water pumps, hoses, and fan clutches (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5723352#post5723352" target="_blank">1</a>) that send whirling blades through the hood and quarter panels (<a href="http://www.bimmerfest.com/forums/showthread.php?t=428099" target="_blank">1</a>) & autopsy here (<a href="http://www.bimmerfest.com/forums/showthread.php?t=501999" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>I6 VANOS SEALS</strong> DETERIORATE: they're made out of the wrong materials so that they harden and leak over time causing degraded performance (<a href="http://www.beisansystems.com/procedures/vanos_procedure.htm" target="_blank">1</a>) (<a href="http://www.beisansystems.com/procedures/index.html" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4916646&postcount=4" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=379225" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=483717" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=438841" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=494071" target="_blank">7</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5130250&postcount=1" target="_blank">8</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5359040&postcount=11" target="_blank">9</a>) (<a href="http://www.drvanos.com/docs/stage1.pdf" target="_blank">10</a>) (<a href="http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/144368-how-remove-solenoides-video.html" target="_blank">11</a>) & how VANOS works (<a href="http://www.bimmerfest.com/forums/showthread.php?t=438841" target="_blank">1</a>) (<a href="http://www.trampdrift.com/index.php?option=com_content&view=article&id=177&Itemid=770" target="_blank">2</a>) (<a href="http://bimmer.roadfly.com/bmw/forums/e39/7494631-2.html" target="_blank">3</a>) & what your options are (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5683838&posted=1#post5683838" target="_blank">1</a>) and vanos application table (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5709972&postcount=26" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>V8 VALLEY PAN GASKETS</strong> LEAK: poorly designed V8 valley pan gaskets that leak coolant (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5410246&postcount=46" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5425923&postcount=5" target="_blank">2</a>) (<a href="http://members.cox.net/rlacm/IntakeIndex.htm" target="_blank">3</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>CLUSTER PIXELS</strong> FAIL LINE BY LINE: press-fit pink connection tape lifts up over time on the instrument cluster causing dead pixels (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5563839&postcount=1" target="_blank">1</a>) [cluster removal instructions (<a href="http://www.vdorepair.com/ClusterRR/Instructions/e39/Remove.htm" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=489856" target="_blank">2</a>)]</strong></li> <li data-xf-list-type="ol"><strong>- <strong>MID PIXELS</strong> SLOWLY DIE: press-fit pink connection tape lifts up over time on MID causing dead pixels (<a href="http://www.bimmerfest.com/forums/showthread.php?t=340108" target="_blank">1</a>) <a href="http://www.bimmerfest.com/forums/showthread.php?t=404838" target="_blank">(2)</a> (<a href="http://www.bimmerfest.com/forums/showthread.php?t=388925" target="_blank">3)</a> <a href="http://www.bimmerboard.com/forums/posts/504260" target="_blank">(4)</a> (<a href="http://www.bimmerfest.com/forums/showthread.php?t=489856" target="_blank">5</a>) [MID removal instructions (<a href="http://www.bimmerfest.com/forums/showthread.php?t=235269" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3705444&postcount=1819" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=482636" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5513955&postcount=10" target="_blank">4</a>) (<a href="http://www.carsolutionsdude.com/forum/viewtopic.php?f=10&t=57" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=499821" target="_blank">6</a>) (<a href="http://www.bmwtips.com/tipsntricks/My%20business%20CD%20install%20%28Mucho%20pics%29%20%28archive%29_files/My%20business%20CD%20install%20%28Mucho%20pics%29%20%28archive%29.htm" target="_blank">7</a>)] [MID pixel test sequence (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5698657&postcount=3" target="_blank">1</a>) ]</strong></li> <li data-xf-list-type="ol"><strong>- <strong>HEADLIGHT ADJUSTERS</strong> CRUMBLE: brittle PBT plastic headlight adjusters that simply crumble over time causing the lights to point downward (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5543168&postcount=1" target="_blank">0</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=179156" target="_blank">1</a>) (<a href="http://www.bimmerboard.com/members/catboy/original/lights.doc" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=326122" target="_blank">3</a>) (<a href="http://www.eactuning.com/e39-aluminum-headlight-adjusters-p-467.html" target="_blank">4</a>) (<a href="http://eactuning.com/parts/product_details/63120027924" target="_blank">5</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1398704" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=298901" target="_blank">7</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3404461&postcount=5" target="_blank">8</a>) (<a href="http://www.odometergears.com/bmw.html" target="_blank">9</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=4195979#post4195979" target="_blank">10</a>) (<a href="http://www.odometergears.com/subpages/E39HLFAQ.html" target="_blank">11</a>) (<a href="http://www.odometergears.com/subpages/E39HLFAQ2.html" target="_blank">12</a>) (<a href="http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/150755-headlamp-surgery-complete-gruesome-pics.html" target="_blank">13</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1312472" target="_blank">14</a>) (<a href="http://bimmer.roadfly.com/bmw/forums/e39/6967901-1.html" target="_blank">15</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=4185077#post4185077" target="_blank">16</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5657049#post5657049" target="_blank">17</a>) & a comprehensive list of all your available options, by price (<a href="http://www.bimmerfest.com/forums/showthread.php?t=491404" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>FAN CONTROL</strong> GOES HAYWIRE: poorly ventilated final stage resistur/final stage unit (FSR/FSU) modules that are practically sure to go haywire due to poor heat-sink design (<a href="http://www.540i6.com/finalstagereplacement.html" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3887553&postcount=236" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4450488&postcount=292" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=309399" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4437275&postcount=3" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3203133" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3523483&postcount=1" target="_blank">7</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=472392" target="_blank">8</a>) ... Autopsy (<a href="http://www.bimmerfest.com/forums/showthread.php?t=309399" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3203133&postcount=148" target="_blank">2</a>) often causing the battery to drain overnight (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1079602" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5620764" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=341891" target="_blank">3</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>CCV</strong> FAILS: crankcase ventilation valve diaphragm tears, freezes (<a href="http://forums.bimmerforums.com/forum/showpost.php?p=15999011&postcount=22" target="_blank">1</a>), &/or clogs (<a href="http://www.bimmerfest.com/forums/showthread.php?t=494631" target="_blank">1</a>), necessitating CCV replacement (<a href="http://www.bimmerfest.com/forums/showthread.php?t=409240" target="_blank">M54</a>,<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1337480" target="_blank">M54</a>,<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1376457" target="_blank">M54</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=379225" target="_blank">M52</a>,<a href="http://forums.bimmerforums.com/forum/showthread.php?p=17173723#post17173723" target="_blank">M52</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1528460" target="_blank">M52TU</a>) (<a href="http://home.comcast.net/~vicent/osve38.html" target="_blank">M62</a>,<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1445581" target="_blank">M62</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=354754" target="_blank">'99 528i</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=258503" target="_blank">'98 528i</a>); raising pressures, often causing the OFH oil filter housing to leak (<a href="http://www.bimmerfest.com/forums/showthread.php?t=414315" target="_blank">1</a>) (<a href="http://www.bmwtips.com/tipsntricks/oil/housing.htm" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5708196&postcount=7" target="_blank">3</a>); frequently blowing the VCG valve cover gasket (<a href="http://www.pelicanparts.com/bmw/techarticles/E36-valve-cover/E36-Valve-Cover.htm" target="_blank">1</a>); and sometimes the head gasket (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1220347" target="_blank">1</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1220347" target="_blank">2</a>); often causing vacuum leaks (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1079942" target="_blank">1</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=693261" target="_blank">2</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1250641" target="_blank">3</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>AMBER ABS/DSC/BRAKE LIGHTS</strong>: tack-welded steel resistance-welded Bosch 5.x ABS control module power wires that break off their gold contact because of being too close to engine heat and vibration (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4205801&postcount=48" target="_blank">1</a>) ... Abs control module autopsy (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5143420&posted=1#post5143420" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5453197&posted=1#post5453197" target="_blank">2</a>) (<a href="http://bmwdriver.org/2008/12/16/e39-abs-module-repair/comment-page-1/#comment-1447" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5143420&posted=1#post5143420" target="_blank">4</a>) ... and explanations by 540iman as to why the fancy diagnostic tools fail (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5300549&postcount=1" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5618729&postcount=8" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5464049&postcount=242" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5466848&postcount=249" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5478714&postcount=252" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5487486&postcount=254" target="_blank">6</a>) & accessing the wheel speed sensor at the wheel (<a href="http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/150155-abs-sensor-replacement-front-diy.html" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>REAR DOOR VAPOR BARRIER</strong> FAILS CAUSING WATER PUDDLES: improper adhesive used on rear door vapor barrier seals that allow rain water to fill the rear footwell (<a href="http://www.bimmerfest.com/forums/showthread.php?t=448562" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=445933" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5326777&postcount=7" target="_blank">3</a>) (<a href="http://www.louv.tv/cars/m5/leakydoor/leakydoor.html" target="_blank">4</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1089505" target="_blank">5</a>) (<a href="http://tis.spaghetticoder.org/s/view.pl?1/03/71/48" target="_blank">6</a>) (<a href="http://public.fotki.com/stilljester/2003-bmw-525i/diy-vapor-barrier-r/" target="_blank">7</a>) & sizes for the adhesive (<a href="http://www.bimmerfest.com/forums/showthread.php?t=508399" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>FRONT SHOCKS</strong> FAIL PREMATURELY VIOLENT SHUDDER WHILE BRAKING: OEM Sachs shocks fail causing violent shudder upon front-wheel braking on bumps (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4518312&postcount=216" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4532051&postcount=33" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=399377" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5318873&postcount=1" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=2870916&postcount=15" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4205801&postcount=48" target="_blank">6</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>POWER WINDOWS</strong> SUDDENLY STOP WORKING: low-quality unreliable window regulator mechanisms (<a href="http://www.bimmerboard.com/forums/posts/665429" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=2572558#post2572558" target="_blank">2</a>) (<a href="http://www.bmwtips.com/tipsntricks/WindowRegulator/regulator.htm" target="_blank">3</a>) <a href="http://forums.bimmerforums.com/forum/showthread.php?t=1102402" target="_blank">(4)</a> (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=380215" target="_blank">5</a>) (<a href="http://forum.e46fanatics.com/showthread.php?t=356847" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=268467" target="_blank">7</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=362383" target="_blank">8</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5686694&posted=1#post5686694" target="_blank">9</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5697987&postcount=8" target="_blank">10</a>) and a repair kit (<a href="http://www.bimmerfest.com/forums/showthread.php?t=252529" target="_blank">1</a>) (<a href="http://bimmer.roadfly.com/bmw/forums/e39/8965453-1.html" target="_blank">2</a>) and for other models (<a href="http://forum.e46fanatics.com/showthread.php?t=689127" target="_blank">1</a>) (<a href="http://data.bmrparts.com/bmwparts/1473.html" target="_blank">2)</a> (<a href="http://www.bmwgm5.com/Rear_Window_Regulator.htm" target="_blank">3</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1375446" target="_blank">4</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>TRUNK WIRING</strong> FRAYS ATROCIOUSLY: a badly designed trunk loom wiring harness certain to chafe causing all sorts of light and fuse blowing and locking problems (<a href="http://www.bimmerfest.com/forums/showthread.php?t=397245" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=367486" target="_blank">2</a>) & opening the trunk with the key when the car battery is dead (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5721173&postcount=9" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=466943" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=502380" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=440299" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=505812" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?p=5721473" target="_blank">6</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>THRUST-ARM BUSHINGS</strong> TEAR: fluid-filled thrust arm bushings that crack and tear causing vibrations at speed (<a href="http://www.bimmerfest.com/forums/showthread.php?t=160274" target="_blank">0</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=399580" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5428193&postcount=11" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=482058&highlight=thrust+arm" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=482502" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=480228&highlight=thrust+arm" target="_blank">4</a>) (<a href="http://www.beisansystems.com/procedures/thrust_arm_bushings_procedure.htm" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=440675" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=430759" target="_blank">7</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1312454" target="_blank">8</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>IGNITION SWITCH</strong> FAILS: ignition switch that fails causing electrical problems (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1539722" target="_blank">0</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=358204" target="_blank">1</a>) (<a href="http://www.bimmerboard.com/forums/posts/244045" target="_blank">2</a>) (<a href="http://bimmer.roadfly.com/bmw/forums/e39/7519918-1.html" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5313832&postcount=7" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5297041&postcount=5" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5196003&postcount=6" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=446800" target="_blank">7</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=358204" target="_blank">8</a>) (<a href="http://www.unofficialbmw.com/images/BMW_EWS.pdf" target="_blank">9</a>) (<a href="http://www.bimmerboard.com/forums/posts/244045" target="_blank">10</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=356553" target="_blank">11</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>AMBIENT TEMPERATURE SENSOR</strong> BREAKS OFF: low mounted ambient temperature sensors in the passenger side front wheel well cover is practically designed to be ripped off on a parking curb (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1418124" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=1109090&postcount=1" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5235619&postcount=1" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5241694&postcount=1" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5002008&postcount=1" target="_blank">5</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>SEAT & STEERING WHEEL CONTROLLER</strong> BREAK OFF: seat covers that don't protect switches for both the steering wheel tilt & driver's seat control (<a href="http://www.bimmerfest.com/forums/showthread.php?t=282360" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=352072" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=322524" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=313528" target="_blank">4</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1147866" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3906972&postcount=2" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5288031&postcount=1" target="_blank">7</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5556529&postcount=2" target="_blank">8</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>SEAT CABLES</strong> BREAK: seat cables that fall out causing seat twist (<a href="http://www.bimmerfest.com/forums/showthread.php?t=392781" target="_blank">1</a>) (<a href="http://www.nmia.com/~dgnrg/page_11.htm" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=3329601&postcount=1" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=462904" target="_blank">4</a>) (<a href="http://faq-bmw.vancouver.bc.ca/530/e39-drivers-seat-problems-759244.html" target="_blank">5</a>) (<a href="http://www.bimmerboard.com/forums/posts/567475" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=459397" target="_blank">7</a>) <a href="http://www.bimmerfest.com/forums/showpost.php?p=5061745&postcount=8" target="_blank">(8) </a>(<a href="http://www.bimmerfest.com/forums/showthread.php?t=407513" target="_blank">9</a>) <a href="http://www.bimmerfest.com/forums/showthread.php?t=462904" target="_blank">(10)</a> & accidental airbag light fix (<a href="http://www.bimmerfest.com/forums/showthread.php?t=372508" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=506673" target="_blank">2</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>WINDSHIELD WASHER</strong> LEAKS: windshield reservoirs prone to leaking due to an ill-fitting pump o-ring gasket (<a href="http://www.bimmerfest.com/forums/showthread.php?t=400924" target="_blank">1</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1315539" target="_blank">2</a>) or to hose disintegration (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1567747" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=486575" target="_blank">2</a>) or to leaks in the main reservoir (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=584735" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=260416" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=180101" target="_blank">3</a>) or leaks in the intensive wash system (<a href="http://www.bimmerfest.com/forums/showthread.php?t=475422" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=180101" target="_blank">2</a>) or the pump itself goes bad (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1054965" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=271140" target="_blank">2</a>) & debugging hints (<a href="http://www.bimmerfest.com/forums/showthread.php?t=503193" target="_blank">1</a>) & adjusting nozzles after repair (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4995700&postcount=5" target="_blank">1</a>) & windshield washer fluid (<a href="http://www.bimmerfest.com/forums/showthread.php?t=461085" target="_blank">1</a>) and intensive cleaning system fluid (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5299552&postcount=1" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>POWER STEERING RESERVOIR CAP</strong> LEAKS OILY MIST: constantly wet power steering reservoirs due to poor O-ring design (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4945308&postcount=11" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=435206" target="_blank">2</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>POWER STEERING HOSE</strong> DRIPS ATF ONTO ALTERNATOR: power steering hose clamps practically guaranteed to leak (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4945308&postcount=11" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=435206" target="_blank">2</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>ALTERNATOR</strong> FAILS PREMATURELY: most say this premature failure is due to power steering leaks just above it so do a rebuild BEFORE your alternator fails catastrophically on you (<a href="http://www.bimmerfest.com/forums/showthread.php?t=454325" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5483740&postcount=31" target="_blank">2</a>) & how to prevent leaves in your alternator air-intake duct (<a href="http://www.bimmerfest.com/forums/showthread.php?t=499319" target="_blank">1</a>) (<a href="http://blog.bavauto.com/bmw-e46/replacing-an-alternato-2001-325i" target="_blank">2</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>WINDSHIELD MOLDING</strong> CRUMBLES: heat labile rubber windshield & back window molding that crumbles in three years due to poor choice of recycled materials (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1143638" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=147492" target="_blank">2</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>JACK PADS</strong> FALL OFF: plastic jack pads that fall off the underside of the frame due to poor latch design causing jack failures & wind noise (<a href="http://www.bimmerfest.com/forums/showthread.php?t=267424" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=322037" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=354780" target="_blank">3</a>) & good jack stands (<a href="http://www.bimmerfest.com/forums/showthread.php?t=502558" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>AIR CONDITIONING</strong> ODORS: poorly designed cabin-filter housing drain hoses to clog which leaves causing gym-sock smells from the AC (<a href="http://www.bimmerfest.com/forums/showpost.php?p=4350605&postcount=31" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=98444" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=458513" target="_blank">3</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>BMW ROUNDEL</strong> PAINT CHIPS AWAY: cheaply painted BMW emblem roundels that wash away in the car wash over time (<a href="http://www.bimmerfest.com/forums/showthread.php?t=459262" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>CUPHOLDERS</strong> BREAK EASILY: front and rear (nearly useless) cupholder replacement strategies (<a href="http://www.bimmerfest.com/forums/showthread.php?t=288420" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>WOOD TRIM</strong> CRACKS SPONTANEOUSLY: wood trim whose varnish cracks and whose cd cover doors rattle (<a href="http://www.bimmerfest.com/forums/showthread.php?t=374847" target="_blank">1</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?t=1275410" target="_blank">2</a>) (<a href="http://www.carsolutionsdude.com/forum/viewtopic.php?f=10&t=57" target="_blank">3</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>PLASTIC VENT TRIM</strong> CRACKS SPONTANEOUSLY: plastic trim around the air vents which invariably crack at the corners (<a href="http://www.bimmerfest.com/forums/showthread.php?t=476898" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=372180" target="_blank">2</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=248275" target="_blank">3</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>SAP</strong> CLOGS or FREEZES (<a href="http://forums.bimmerforums.com/forum/showpost.php?p=15999011&postcount=22" target="_blank">1</a>): the secondary air pump (SAP) valve (aka diverter valve) clogs, taking out the SAS <a href="http://www.bimmerfest.com/forums/showthread.php?t=447657" target="_blank">(1)</a> (<a href="http://www.bimmerfest.com/forums/showthread.php?t=459397&highlight=sap+pump" target="_blank">2)</a> <a href="http://www.bimmerfest.com/forums/showthread.php?t=475023&highlight=sap+pump" target="_blank">(3)</a><a href="http://www.bimmerfest.com/forums/showthread.php?t=454367" target="_blank">(4)</a> (<a href="http://www.bimmerfest.com/forums/showthread.php?t=260211" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=495359" target="_blank">6</a>) (<a href="http://www.bmwtis.net/tsb/bulletins/bulletin_graphic_temp/B110504g.htm" target="_blank">7</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>MAF</strong> CLOGS: the mass air flow sensor (MAF) and idle control valve (ICV) require periodic cleaning (<a href="http://www.bimmerfest.com/forums/showthread.php?t=214439" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showpost.php?p=5271791&postcount=1" target="_blank">2</a>)</strong></li> <li data-xf-list-type="ol"><strong>- <strong>DISA VALVE FLAP</strong> BREAKS: the DISA valve flap breaks, sometimes with parts sucked into the intake manifold (<a href="http://www.bimmerfest.com/forums/showthread.php?t=383761" target="_blank">1</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=373211" target="_blank">2</a>) (<a href="http://forums.bimmerforums.com/forum/showthread.php?p=19243825&posted=1#post19243825" target="_blank">3</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=482954" target="_blank">4</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=214439" target="_blank">5</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=323335" target="_blank">6</a>) (<a href="http://www.bimmerfest.com/forums/showthread.php?t=342569" target="_blank">7</a>) & recommended parts (<a href="http://www.eactuning.com/e39-thrust-arms-with-hd-bushings-p-453.html" target="_blank">1</a>) (<a href="http://www.oembimmerparts.com/catalog/item/4168847/4102143.htm" target="_blank">2</a>) & brand selection (<a href="http://www.bimmerfest.com/forums/showthread.php?t=363127" target="_blank">1</a>)</strong></li> <li data-xf-list-type="ol"><strong><strong>DOOR EDGE PROTECTION MOLDING SEALS</strong> neoprene rubber crum</strong></li> </ol></p></blockquote><p></p>
[QUOTE="moots, post: 645691, member: 219"] nah.....google is your best friend..... [B]The most common problems to check and/or repair in the E39 appear to be ([URL="http://www.bimmerfest.com/forums/showthread.php?t=507799"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5493531&postcount=9"]2[/URL]): [LIST=1] [*]- [B]COOLING SYSTEM[/B] CATASTROPHICALLY FAILS: brittle plastic expansion tank, radiator, & thermostat housings that blow up due to faulty plastic mostly at the upper hose neck and also faulty water pumps, hoses, and fan clutches ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5723352#post5723352"]1[/URL]) that send whirling blades through the hood and quarter panels ([URL="http://www.bimmerfest.com/forums/showthread.php?t=428099"]1[/URL]) & autopsy here ([URL="http://www.bimmerfest.com/forums/showthread.php?t=501999"]1[/URL]) [*]- [B]I6 VANOS SEALS[/B] DETERIORATE: they're made out of the wrong materials so that they harden and leak over time causing degraded performance ([URL="http://www.beisansystems.com/procedures/vanos_procedure.htm"]1[/URL]) ([URL="http://www.beisansystems.com/procedures/index.html"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4916646&postcount=4"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=379225"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=483717"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=438841"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=494071"]7[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5130250&postcount=1"]8[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5359040&postcount=11"]9[/URL]) ([URL="http://www.drvanos.com/docs/stage1.pdf"]10[/URL]) ([URL="http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/144368-how-remove-solenoides-video.html"]11[/URL]) & how VANOS works ([URL="http://www.bimmerfest.com/forums/showthread.php?t=438841"]1[/URL]) ([URL="http://www.trampdrift.com/index.php?option=com_content&view=article&id=177&Itemid=770"]2[/URL]) ([URL="http://bimmer.roadfly.com/bmw/forums/e39/7494631-2.html"]3[/URL]) & what your options are ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5683838&posted=1#post5683838"]1[/URL]) and vanos application table ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5709972&postcount=26"]1[/URL]) [*]- [B]V8 VALLEY PAN GASKETS[/B] LEAK: poorly designed V8 valley pan gaskets that leak coolant ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5410246&postcount=46"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5425923&postcount=5"]2[/URL]) ([URL="http://members.cox.net/rlacm/IntakeIndex.htm"]3[/URL]) [*]- [B]CLUSTER PIXELS[/B] FAIL LINE BY LINE: press-fit pink connection tape lifts up over time on the instrument cluster causing dead pixels ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5563839&postcount=1"]1[/URL]) [cluster removal instructions ([URL="http://www.vdorepair.com/ClusterRR/Instructions/e39/Remove.htm"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=489856"]2[/URL])] [*]- [B]MID PIXELS[/B] SLOWLY DIE: press-fit pink connection tape lifts up over time on MID causing dead pixels ([URL="http://www.bimmerfest.com/forums/showthread.php?t=340108"]1[/URL]) [URL="http://www.bimmerfest.com/forums/showthread.php?t=404838"](2)[/URL] ([URL="http://www.bimmerfest.com/forums/showthread.php?t=388925"]3)[/URL] [URL="http://www.bimmerboard.com/forums/posts/504260"](4)[/URL] ([URL="http://www.bimmerfest.com/forums/showthread.php?t=489856"]5[/URL]) [MID removal instructions ([URL="http://www.bimmerfest.com/forums/showthread.php?t=235269"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3705444&postcount=1819"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=482636"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5513955&postcount=10"]4[/URL]) ([URL="http://www.carsolutionsdude.com/forum/viewtopic.php?f=10&t=57"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=499821"]6[/URL]) ([URL="http://www.bmwtips.com/tipsntricks/My%20business%20CD%20install%20%28Mucho%20pics%29%20%28archive%29_files/My%20business%20CD%20install%20%28Mucho%20pics%29%20%28archive%29.htm"]7[/URL])] [MID pixel test sequence ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5698657&postcount=3"]1[/URL]) ] [*]- [B]HEADLIGHT ADJUSTERS[/B] CRUMBLE: brittle PBT plastic headlight adjusters that simply crumble over time causing the lights to point downward ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5543168&postcount=1"]0[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=179156"]1[/URL]) ([URL="http://www.bimmerboard.com/members/catboy/original/lights.doc"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=326122"]3[/URL]) ([URL="http://www.eactuning.com/e39-aluminum-headlight-adjusters-p-467.html"]4[/URL]) ([URL="http://eactuning.com/parts/product_details/63120027924"]5[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1398704"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=298901"]7[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3404461&postcount=5"]8[/URL]) ([URL="http://www.odometergears.com/bmw.html"]9[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=4195979#post4195979"]10[/URL]) ([URL="http://www.odometergears.com/subpages/E39HLFAQ.html"]11[/URL]) ([URL="http://www.odometergears.com/subpages/E39HLFAQ2.html"]12[/URL]) ([URL="http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/150755-headlamp-surgery-complete-gruesome-pics.html"]13[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1312472"]14[/URL]) ([URL="http://bimmer.roadfly.com/bmw/forums/e39/6967901-1.html"]15[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=4185077#post4185077"]16[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5657049#post5657049"]17[/URL]) & a comprehensive list of all your available options, by price ([URL="http://www.bimmerfest.com/forums/showthread.php?t=491404"]1[/URL]) [*]- [B]FAN CONTROL[/B] GOES HAYWIRE: poorly ventilated final stage resistur/final stage unit (FSR/FSU) modules that are practically sure to go haywire due to poor heat-sink design ([URL="http://www.540i6.com/finalstagereplacement.html"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3887553&postcount=236"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4450488&postcount=292"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=309399"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4437275&postcount=3"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3203133"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3523483&postcount=1"]7[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=472392"]8[/URL]) ... Autopsy ([URL="http://www.bimmerfest.com/forums/showthread.php?t=309399"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3203133&postcount=148"]2[/URL]) often causing the battery to drain overnight ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1079602"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5620764"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=341891"]3[/URL]) [*]- [B]CCV[/B] FAILS: crankcase ventilation valve diaphragm tears, freezes ([URL="http://forums.bimmerforums.com/forum/showpost.php?p=15999011&postcount=22"]1[/URL]), &/or clogs ([URL="http://www.bimmerfest.com/forums/showthread.php?t=494631"]1[/URL]), necessitating CCV replacement ([URL="http://www.bimmerfest.com/forums/showthread.php?t=409240"]M54[/URL],[URL="http://forums.bimmerforums.com/forum/showthread.php?t=1337480"]M54[/URL],[URL="http://forums.bimmerforums.com/forum/showthread.php?t=1376457"]M54[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=379225"]M52[/URL],[URL="http://forums.bimmerforums.com/forum/showthread.php?p=17173723#post17173723"]M52[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1528460"]M52TU[/URL]) ([URL="http://home.comcast.net/~vicent/osve38.html"]M62[/URL],[URL="http://forums.bimmerforums.com/forum/showthread.php?t=1445581"]M62[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=354754"]'99 528i[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=258503"]'98 528i[/URL]); raising pressures, often causing the OFH oil filter housing to leak ([URL="http://www.bimmerfest.com/forums/showthread.php?t=414315"]1[/URL]) ([URL="http://www.bmwtips.com/tipsntricks/oil/housing.htm"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5708196&postcount=7"]3[/URL]); frequently blowing the VCG valve cover gasket ([URL="http://www.pelicanparts.com/bmw/techarticles/E36-valve-cover/E36-Valve-Cover.htm"]1[/URL]); and sometimes the head gasket ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1220347"]1[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1220347"]2[/URL]); often causing vacuum leaks ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1079942"]1[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=693261"]2[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1250641"]3[/URL]) [*]- [B]AMBER ABS/DSC/BRAKE LIGHTS[/B]: tack-welded steel resistance-welded Bosch 5.x ABS control module power wires that break off their gold contact because of being too close to engine heat and vibration ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4205801&postcount=48"]1[/URL]) ... Abs control module autopsy ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5143420&posted=1#post5143420"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5453197&posted=1#post5453197"]2[/URL]) ([URL="http://bmwdriver.org/2008/12/16/e39-abs-module-repair/comment-page-1/#comment-1447"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5143420&posted=1#post5143420"]4[/URL]) ... and explanations by 540iman as to why the fancy diagnostic tools fail ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5300549&postcount=1"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5618729&postcount=8"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5464049&postcount=242"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5466848&postcount=249"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5478714&postcount=252"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5487486&postcount=254"]6[/URL]) & accessing the wheel speed sensor at the wheel ([URL="http://www.m5board.com/vbulletin/e39-m5-e52-z8-discussion/150155-abs-sensor-replacement-front-diy.html"]1[/URL]) [*]- [B]REAR DOOR VAPOR BARRIER[/B] FAILS CAUSING WATER PUDDLES: improper adhesive used on rear door vapor barrier seals that allow rain water to fill the rear footwell ([URL="http://www.bimmerfest.com/forums/showthread.php?t=448562"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=445933"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5326777&postcount=7"]3[/URL]) ([URL="http://www.louv.tv/cars/m5/leakydoor/leakydoor.html"]4[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1089505"]5[/URL]) ([URL="http://tis.spaghetticoder.org/s/view.pl?1/03/71/48"]6[/URL]) ([URL="http://public.fotki.com/stilljester/2003-bmw-525i/diy-vapor-barrier-r/"]7[/URL]) & sizes for the adhesive ([URL="http://www.bimmerfest.com/forums/showthread.php?t=508399"]1[/URL]) [*]- [B]FRONT SHOCKS[/B] FAIL PREMATURELY VIOLENT SHUDDER WHILE BRAKING: OEM Sachs shocks fail causing violent shudder upon front-wheel braking on bumps ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4518312&postcount=216"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4532051&postcount=33"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=399377"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5318873&postcount=1"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=2870916&postcount=15"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4205801&postcount=48"]6[/URL]) [*]- [B]POWER WINDOWS[/B] SUDDENLY STOP WORKING: low-quality unreliable window regulator mechanisms ([URL="http://www.bimmerboard.com/forums/posts/665429"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=2572558#post2572558"]2[/URL]) ([URL="http://www.bmwtips.com/tipsntricks/WindowRegulator/regulator.htm"]3[/URL]) [URL="http://forums.bimmerforums.com/forum/showthread.php?t=1102402"](4)[/URL] ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=380215"]5[/URL]) ([URL="http://forum.e46fanatics.com/showthread.php?t=356847"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=268467"]7[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=362383"]8[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5686694&posted=1#post5686694"]9[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5697987&postcount=8"]10[/URL]) and a repair kit ([URL="http://www.bimmerfest.com/forums/showthread.php?t=252529"]1[/URL]) ([URL="http://bimmer.roadfly.com/bmw/forums/e39/8965453-1.html"]2[/URL]) and for other models ([URL="http://forum.e46fanatics.com/showthread.php?t=689127"]1[/URL]) ([URL="http://data.bmrparts.com/bmwparts/1473.html"]2)[/URL] ([URL="http://www.bmwgm5.com/Rear_Window_Regulator.htm"]3[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1375446"]4[/URL]) [*]- [B]TRUNK WIRING[/B] FRAYS ATROCIOUSLY: a badly designed trunk loom wiring harness certain to chafe causing all sorts of light and fuse blowing and locking problems ([URL="http://www.bimmerfest.com/forums/showthread.php?t=397245"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=367486"]2[/URL]) & opening the trunk with the key when the car battery is dead ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5721173&postcount=9"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=466943"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=502380"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=440299"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=505812"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?p=5721473"]6[/URL]) [*]- [B]THRUST-ARM BUSHINGS[/B] TEAR: fluid-filled thrust arm bushings that crack and tear causing vibrations at speed ([URL="http://www.bimmerfest.com/forums/showthread.php?t=160274"]0[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=399580"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5428193&postcount=11"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=482058&highlight=thrust+arm"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=482502"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=480228&highlight=thrust+arm"]4[/URL]) ([URL="http://www.beisansystems.com/procedures/thrust_arm_bushings_procedure.htm"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=440675"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=430759"]7[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1312454"]8[/URL]) [*]- [B]IGNITION SWITCH[/B] FAILS: ignition switch that fails causing electrical problems ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1539722"]0[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=358204"]1[/URL]) ([URL="http://www.bimmerboard.com/forums/posts/244045"]2[/URL]) ([URL="http://bimmer.roadfly.com/bmw/forums/e39/7519918-1.html"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5313832&postcount=7"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5297041&postcount=5"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5196003&postcount=6"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=446800"]7[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=358204"]8[/URL]) ([URL="http://www.unofficialbmw.com/images/BMW_EWS.pdf"]9[/URL]) ([URL="http://www.bimmerboard.com/forums/posts/244045"]10[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=356553"]11[/URL]) [*]- [B]AMBIENT TEMPERATURE SENSOR[/B] BREAKS OFF: low mounted ambient temperature sensors in the passenger side front wheel well cover is practically designed to be ripped off on a parking curb ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1418124"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=1109090&postcount=1"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5235619&postcount=1"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5241694&postcount=1"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5002008&postcount=1"]5[/URL]) [*]- [B]SEAT & STEERING WHEEL CONTROLLER[/B] BREAK OFF: seat covers that don't protect switches for both the steering wheel tilt & driver's seat control ([URL="http://www.bimmerfest.com/forums/showthread.php?t=282360"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=352072"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=322524"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=313528"]4[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1147866"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3906972&postcount=2"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5288031&postcount=1"]7[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5556529&postcount=2"]8[/URL]) [*]- [B]SEAT CABLES[/B] BREAK: seat cables that fall out causing seat twist ([URL="http://www.bimmerfest.com/forums/showthread.php?t=392781"]1[/URL]) ([URL="http://www.nmia.com/~dgnrg/page_11.htm"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=3329601&postcount=1"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=462904"]4[/URL]) ([URL="http://faq-bmw.vancouver.bc.ca/530/e39-drivers-seat-problems-759244.html"]5[/URL]) ([URL="http://www.bimmerboard.com/forums/posts/567475"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=459397"]7[/URL]) [URL="http://www.bimmerfest.com/forums/showpost.php?p=5061745&postcount=8"](8) [/URL]([URL="http://www.bimmerfest.com/forums/showthread.php?t=407513"]9[/URL]) [URL="http://www.bimmerfest.com/forums/showthread.php?t=462904"](10)[/URL] & accidental airbag light fix ([URL="http://www.bimmerfest.com/forums/showthread.php?t=372508"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=506673"]2[/URL]) [*]- [B]WINDSHIELD WASHER[/B] LEAKS: windshield reservoirs prone to leaking due to an ill-fitting pump o-ring gasket ([URL="http://www.bimmerfest.com/forums/showthread.php?t=400924"]1[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1315539"]2[/URL]) or to hose disintegration ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1567747"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=486575"]2[/URL]) or to leaks in the main reservoir ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=584735"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=260416"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=180101"]3[/URL]) or leaks in the intensive wash system ([URL="http://www.bimmerfest.com/forums/showthread.php?t=475422"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=180101"]2[/URL]) or the pump itself goes bad ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1054965"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=271140"]2[/URL]) & debugging hints ([URL="http://www.bimmerfest.com/forums/showthread.php?t=503193"]1[/URL]) & adjusting nozzles after repair ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4995700&postcount=5"]1[/URL]) & windshield washer fluid ([URL="http://www.bimmerfest.com/forums/showthread.php?t=461085"]1[/URL]) and intensive cleaning system fluid ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5299552&postcount=1"]1[/URL]) [*]- [B]POWER STEERING RESERVOIR CAP[/B] LEAKS OILY MIST: constantly wet power steering reservoirs due to poor O-ring design ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4945308&postcount=11"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=435206"]2[/URL]) [*]- [B]POWER STEERING HOSE[/B] DRIPS ATF ONTO ALTERNATOR: power steering hose clamps practically guaranteed to leak ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4945308&postcount=11"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=435206"]2[/URL]) [*]- [B]ALTERNATOR[/B] FAILS PREMATURELY: most say this premature failure is due to power steering leaks just above it so do a rebuild BEFORE your alternator fails catastrophically on you ([URL="http://www.bimmerfest.com/forums/showthread.php?t=454325"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5483740&postcount=31"]2[/URL]) & how to prevent leaves in your alternator air-intake duct ([URL="http://www.bimmerfest.com/forums/showthread.php?t=499319"]1[/URL]) ([URL="http://blog.bavauto.com/bmw-e46/replacing-an-alternato-2001-325i"]2[/URL]) [*]- [B]WINDSHIELD MOLDING[/B] CRUMBLES: heat labile rubber windshield & back window molding that crumbles in three years due to poor choice of recycled materials ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1143638"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=147492"]2[/URL]) [*]- [B]JACK PADS[/B] FALL OFF: plastic jack pads that fall off the underside of the frame due to poor latch design causing jack failures & wind noise ([URL="http://www.bimmerfest.com/forums/showthread.php?t=267424"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=322037"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=354780"]3[/URL]) & good jack stands ([URL="http://www.bimmerfest.com/forums/showthread.php?t=502558"]1[/URL]) [*]- [B]AIR CONDITIONING[/B] ODORS: poorly designed cabin-filter housing drain hoses to clog which leaves causing gym-sock smells from the AC ([URL="http://www.bimmerfest.com/forums/showpost.php?p=4350605&postcount=31"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=98444"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=458513"]3[/URL]) [*]- [B]BMW ROUNDEL[/B] PAINT CHIPS AWAY: cheaply painted BMW emblem roundels that wash away in the car wash over time ([URL="http://www.bimmerfest.com/forums/showthread.php?t=459262"]1[/URL]) [*]- [B]CUPHOLDERS[/B] BREAK EASILY: front and rear (nearly useless) cupholder replacement strategies ([URL="http://www.bimmerfest.com/forums/showthread.php?t=288420"]1[/URL]) [*]- [B]WOOD TRIM[/B] CRACKS SPONTANEOUSLY: wood trim whose varnish cracks and whose cd cover doors rattle ([URL="http://www.bimmerfest.com/forums/showthread.php?t=374847"]1[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?t=1275410"]2[/URL]) ([URL="http://www.carsolutionsdude.com/forum/viewtopic.php?f=10&t=57"]3[/URL]) [*]- [B]PLASTIC VENT TRIM[/B] CRACKS SPONTANEOUSLY: plastic trim around the air vents which invariably crack at the corners ([URL="http://www.bimmerfest.com/forums/showthread.php?t=476898"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=372180"]2[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=248275"]3[/URL]) [*]- [B]SAP[/B] CLOGS or FREEZES ([URL="http://forums.bimmerforums.com/forum/showpost.php?p=15999011&postcount=22"]1[/URL]): the secondary air pump (SAP) valve (aka diverter valve) clogs, taking out the SAS [URL="http://www.bimmerfest.com/forums/showthread.php?t=447657"](1)[/URL] ([URL="http://www.bimmerfest.com/forums/showthread.php?t=459397&highlight=sap+pump"]2)[/URL] [URL="http://www.bimmerfest.com/forums/showthread.php?t=475023&highlight=sap+pump"](3)[/URL][URL="http://www.bimmerfest.com/forums/showthread.php?t=454367"](4)[/URL] ([URL="http://www.bimmerfest.com/forums/showthread.php?t=260211"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=495359"]6[/URL]) ([URL="http://www.bmwtis.net/tsb/bulletins/bulletin_graphic_temp/B110504g.htm"]7[/URL]) [*]- [B]MAF[/B] CLOGS: the mass air flow sensor (MAF) and idle control valve (ICV) require periodic cleaning ([URL="http://www.bimmerfest.com/forums/showthread.php?t=214439"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showpost.php?p=5271791&postcount=1"]2[/URL]) [*]- [B]DISA VALVE FLAP[/B] BREAKS: the DISA valve flap breaks, sometimes with parts sucked into the intake manifold ([URL="http://www.bimmerfest.com/forums/showthread.php?t=383761"]1[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=373211"]2[/URL]) ([URL="http://forums.bimmerforums.com/forum/showthread.php?p=19243825&posted=1#post19243825"]3[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=482954"]4[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=214439"]5[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=323335"]6[/URL]) ([URL="http://www.bimmerfest.com/forums/showthread.php?t=342569"]7[/URL]) & recommended parts ([URL="http://www.eactuning.com/e39-thrust-arms-with-hd-bushings-p-453.html"]1[/URL]) ([URL="http://www.oembimmerparts.com/catalog/item/4168847/4102143.htm"]2[/URL]) & brand selection ([URL="http://www.bimmerfest.com/forums/showthread.php?t=363127"]1[/URL]) [*][B]DOOR EDGE PROTECTION MOLDING SEALS[/B] neoprene rubber crum [/LIST][/B] [/QUOTE]
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E39 523i 1997 model common problems owners faced
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