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e34_lover's E36 M3 Evo
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<blockquote data-quote="e34_lover" data-source="post: 664673" data-attributes="member: 16259"><p>Coolant temp sensors. The one on the left is to trigger the high speed and low speed fans. The one on the right sends temperature information to the cluster. It also tells the ECU when to run in open and closed loop so I decided to change it.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/006_zps13315bcf.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Old sensor</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/037_zpsda4b3212.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>New one</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/039_zpsc9ad0910.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Old sensor</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/038_zpscc4993a9.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>New one</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/040_zpsac107be3.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Previous owner bypassed the Aux fan control to run it at either low speed or high speed all the time. It was unnecessary to me so I removed it.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/065_zps8cd34431.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/064_zps5b2bc0c9.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Will add the finished pic later. Can't seem to find it</p><p></p><p>Coolant vent hose that was missing on my car. Previous owner replaced it with a normal rubber hose....</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/020_zps2528b330.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Rubber hose that was installed by the previous owner</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/029_zpsfb356214.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Missing clips for the vent hose</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/052_zpsa4386049.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Installed</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/072_zpsd7cf8464.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>This is a picture of the compressor plug, or whats left of it.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/053_zpsc2d2265f.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>This is what is supposed to be on the end of that wire.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/File0391_zps9a906b85.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Connected into the plug for the compressor</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/File0392_zps84a80167.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Soldered on and heatshrink was used</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/055_zps3778b781.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>This connector being broken seems to be quite common on E36's. I believe it is because mechanics lean on it and break off the brittle plastic parts.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/056_zps8808c056.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Uses the same connector as the compressor.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/File0396_zpse85258ff.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Soldered together and heatshrink used again.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/058_zps465e734a.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Broken MAF connector cover</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/070_zpscb9ecbed.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Replaced with a new one. It was quite difficult to put on because the wiring needs to be removed from the connector and then put through the rubber cover and then reconnected.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/071_zpsd9fb8b80.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Headlight connector</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/067_zps08f69b8d.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>I wanted to neaten the wiring up a bit so I got some rubber covers that the MAF uses. I don't believe they were there originally nor are they required.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/068_zps93fac2dd.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Passenger side</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/069_zps458e8b72.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Throttle bodies seemed a little dirty so it got cleaned as well. The very first time I took apart the intake plenum, I did notice some oil on the throttle bodies. Not really sure where it came from but I wiped the oil up and it didn't happen again previously. This time I looked inside the throttle body which I did not before.</p><p></p><p> Had a little buildup of oil from the inside.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/042_zpsf65e42d8.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/043_zps3365188e.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Cleaned it up as much as possible. Will have a look the next time I remove the intake plenum and check if there's any buildup.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/044_zpsace47938.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/045_zps34f698a6.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Intake runner o-rings</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/047_zpse6fdd742.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Some sort of deposit around the o-ring</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/048_zpsc403d793.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Cleaned up and new o-rings installed.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/049_zpsd249b41d.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/050_zps933700ee.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Intake plenum was missing these rubber dampers</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/File0398_zpsae7e134f.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Installed</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/046_zps6881b05b.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>New coils, not that there was anything wrong with the old ones.</p><p><img src="http://i277.photobucket.com/albums/kk46/yeleon90/060_zps5b257fe6.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p></p><p>Still have a new alternator to install with its cooling ducts. Current one does not have issues but it is from an M50 so the cooling ducts don't fit. Previous mechanic also got rid of my cooling duct so I had to get new ones.</p></blockquote><p></p>
[QUOTE="e34_lover, post: 664673, member: 16259"] Coolant temp sensors. The one on the left is to trigger the high speed and low speed fans. The one on the right sends temperature information to the cluster. It also tells the ECU when to run in open and closed loop so I decided to change it. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/006_zps13315bcf.jpg[/IMG] Old sensor [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/037_zpsda4b3212.jpg[/IMG] New one [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/039_zpsc9ad0910.jpg[/IMG] Old sensor [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/038_zpscc4993a9.jpg[/IMG] New one [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/040_zpsac107be3.jpg[/IMG] Previous owner bypassed the Aux fan control to run it at either low speed or high speed all the time. It was unnecessary to me so I removed it. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/065_zps8cd34431.jpg[/IMG] [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/064_zps5b2bc0c9.jpg[/IMG] Will add the finished pic later. Can't seem to find it Coolant vent hose that was missing on my car. Previous owner replaced it with a normal rubber hose.... [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/020_zps2528b330.jpg[/IMG] Rubber hose that was installed by the previous owner [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/029_zpsfb356214.jpg[/IMG] Missing clips for the vent hose [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/052_zpsa4386049.jpg[/IMG] Installed [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/072_zpsd7cf8464.jpg[/IMG] This is a picture of the compressor plug, or whats left of it. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/053_zpsc2d2265f.jpg[/IMG] This is what is supposed to be on the end of that wire. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/File0391_zps9a906b85.jpg[/IMG] Connected into the plug for the compressor [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/File0392_zps84a80167.jpg[/IMG] Soldered on and heatshrink was used [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/055_zps3778b781.jpg[/IMG] This connector being broken seems to be quite common on E36's. I believe it is because mechanics lean on it and break off the brittle plastic parts. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/056_zps8808c056.jpg[/IMG] Uses the same connector as the compressor. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/File0396_zpse85258ff.jpg[/IMG] Soldered together and heatshrink used again. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/058_zps465e734a.jpg[/IMG] Broken MAF connector cover [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/070_zpscb9ecbed.jpg[/IMG] Replaced with a new one. It was quite difficult to put on because the wiring needs to be removed from the connector and then put through the rubber cover and then reconnected. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/071_zpsd9fb8b80.jpg[/IMG] Headlight connector [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/067_zps08f69b8d.jpg[/IMG] I wanted to neaten the wiring up a bit so I got some rubber covers that the MAF uses. I don't believe they were there originally nor are they required. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/068_zps93fac2dd.jpg[/IMG] Passenger side [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/069_zps458e8b72.jpg[/IMG] Throttle bodies seemed a little dirty so it got cleaned as well. The very first time I took apart the intake plenum, I did notice some oil on the throttle bodies. Not really sure where it came from but I wiped the oil up and it didn't happen again previously. This time I looked inside the throttle body which I did not before. Had a little buildup of oil from the inside. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/042_zpsf65e42d8.jpg[/IMG] [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/043_zps3365188e.jpg[/IMG] Cleaned it up as much as possible. Will have a look the next time I remove the intake plenum and check if there's any buildup. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/044_zpsace47938.jpg[/IMG] [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/045_zps34f698a6.jpg[/IMG] Intake runner o-rings [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/047_zpse6fdd742.jpg[/IMG] Some sort of deposit around the o-ring [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/048_zpsc403d793.jpg[/IMG] Cleaned up and new o-rings installed. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/049_zpsd249b41d.jpg[/IMG] [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/050_zps933700ee.jpg[/IMG] Intake plenum was missing these rubber dampers [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/File0398_zpsae7e134f.jpg[/IMG] Installed [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/046_zps6881b05b.jpg[/IMG] New coils, not that there was anything wrong with the old ones. [IMG]http://i277.photobucket.com/albums/kk46/yeleon90/060_zps5b257fe6.jpg[/IMG] Still have a new alternator to install with its cooling ducts. Current one does not have issues but it is from an M50 so the cooling ducts don't fit. Previous mechanic also got rid of my cooling duct so I had to get new ones. [/QUOTE]
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