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The BMW Range
3 Series
E46
E46 N42B20 Vaccum Pump
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<blockquote data-quote="Vincent Hor" data-source="post: 585701" data-attributes="member: 1221"><p>Yes, that's the vaccum pump. Quite an important mechanism for the valvetronic engines. It pumps vaccum for the brake servo. Failure of this unit will cause the brakes to feel hard. Further neglect will result in engine oil to being pump into the brake servo thus causing brake failure.</p><p></p><p>From my understanding it's a common problem but the funny thing is not many member here discuss about this problem. So my advise to the valvetronic owners, please ask your mechanic to check this vaccum pump on your next visit to them.</p><p></p><p>Was informed by local parts distributors that it cost more than RM900 and that's only a German OEM replacement part. I also checked with Singapore ,an original BMW unit cost SGD450.00</p><p></p><p>So the big question : Is there any repair kit out there?</p><p></p><p>An indication of seriousness of this problem:</p><p></p><table style='width: 100%'><tr><td><table style='width: 100%'><tr><td><strong><span style="color: #ffff00">RECALL: 2002-2008 BMW 7-Series </span></strong></td></tr><tr><td><p style="text-align: center"><table style='width: 100%'><tr><td><table style='width: 100%'><tr><td><span style="font-size: 10px"> NHTSA Campaign Number: </span></td><td><span style="font-size: 10px">10V446000</span></td><td><p style="text-align: right"><span style="font-size: 10px"> <a href="http://www-odi.nhtsa.dot.gov/cars/problems/recalls/recallsearch.cfm" target="_blank">www.nhtsa.dot.gov</a> </span></p> </td></tr><tr><td><span style="font-size: 10px"> Manufacturer </span></td><td><span style="font-size: 10px">BMW OF NORTH AMERICA, LLC</span></td><td></td></tr><tr><td><span style="font-size: 10px"> Recall Date: </span></td><td><span style="font-size: 10px">SEP 30, 2010</span></td><td></td></tr><tr><td><span style="font-size: 10px"> Potential Number Of Units Affected: </span></td><td><span style="font-size: 10px">198352</span></td><td></td></tr></table></td><td></td></tr><tr><td><span style="font-size: 9px"> Description</span></td><td><span style="font-size: 9px">SERVICE BRAKES, HYDRAULIC<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite7" alt=":p" title="Stick Out Tongue :p" loading="lazy" data-shortname=":p" />OWER ASSIST:VACUUM</span></td></tr><tr><td><span style="font-size: 9px"> Summary</span></td><td><span style="font-size: 9px">BMW IS RECALLING CERTAIN MODEL YEAR 2004-2010 5-SERIES, 6-SERIES, AND MODEL YEAR 2002-2008 7-SERIES VEHICLES. A CHECK VALVE OF THE BRAKE VACUUM PUMP MAY LEAK A SMALL AMOUNT OF LUBRICATING OIL. OVER TIME THIS COULD RESULT IN CONTAMINATION OF THE BRAKE BOOSTER.</span></td></tr><tr><td><span style="font-size: 9px"> Consequence</span></td><td><span style="font-size: 9px">POWER ASSIST BRAKING PERFORMANCE COULD BE ADVERSELY AFFECTED. IN EXTREME CASES THERE COULD BE A COMPLETE LOSS OF POWER ASSIST BRAKING. AN UNEXPECTED REDUCTION OR LOSS IN POWER BRAKING ASSIST MAY INCREASE THE RISK OF A CRASH.</span></td></tr><tr><td><span style="font-size: 9px"> Remedy</span></td><td><span style="font-size: 9px">BMW WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING NOVEMBER 2010.</span></td></tr></table></p> </td></tr></table></td></tr><tr><td> </td></tr></table></blockquote><p></p>
[QUOTE="Vincent Hor, post: 585701, member: 1221"] Yes, that's the vaccum pump. Quite an important mechanism for the valvetronic engines. It pumps vaccum for the brake servo. Failure of this unit will cause the brakes to feel hard. Further neglect will result in engine oil to being pump into the brake servo thus causing brake failure. From my understanding it's a common problem but the funny thing is not many member here discuss about this problem. So my advise to the valvetronic owners, please ask your mechanic to check this vaccum pump on your next visit to them. Was informed by local parts distributors that it cost more than RM900 and that's only a German OEM replacement part. I also checked with Singapore ,an original BMW unit cost SGD450.00 So the big question : Is there any repair kit out there? An indication of seriousness of this problem: [TABLE="width: 98%"] [TR] [TD="width: 24%"][TABLE="width: 100%"] [TR] [TD="bgcolor: #000000"][B][COLOR=#ffff00]RECALL: 2002-2008 BMW 7-Series [/COLOR][/B][/TD] [/TR] [TR] [TD][CENTER][TABLE="width: 100%"] [TR] [TD="width: 100%, colspan: 2"][TABLE="width: 100%"] [TR] [TD="width: 226, bgcolor: #cccccc"][SIZE=2] NHTSA Campaign Number: [/SIZE][/TD] [TD="bgcolor: #cccccc"][SIZE=2]10V446000[/SIZE][/TD] [TD="bgcolor: #cccccc"][RIGHT][SIZE=2] [URL="http://www-odi.nhtsa.dot.gov/cars/problems/recalls/recallsearch.cfm"]www.nhtsa.dot.gov[/URL] [/SIZE][/RIGHT][/TD] [/TR] [TR] [TD="width: 226, bgcolor: #ffffcc"][SIZE=2] Manufacturer [/SIZE][/TD] [TD="bgcolor: #ffffcc, colspan: 2"][SIZE=2]BMW OF NORTH AMERICA, LLC[/SIZE][/TD] [/TR] [TR] [TD="width: 226, bgcolor: #cccccc"][SIZE=2] Recall Date: [/SIZE][/TD] [TD="bgcolor: #cccccc, colspan: 2"][SIZE=2]SEP 30, 2010[/SIZE][/TD] [/TR] [TR] [TD="width: 226, bgcolor: #ffffcc"][SIZE=2] Potential Number Of Units Affected: [/SIZE][/TD] [TD="bgcolor: #ffffcc, colspan: 2"][SIZE=2]198352[/SIZE][/TD] [/TR] [/TABLE] [/TD] [/TR] [TR] [TD="width: 16%, bgcolor: #cccccc"][SIZE=1] Description[/SIZE][/TD] [TD="width: 84%, bgcolor: #cccccc"][SIZE=1]SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM[/SIZE][/TD] [/TR] [TR] [TD="width: 16%, bgcolor: #ffffcc"][SIZE=1] Summary[/SIZE][/TD] [TD="width: 84%, bgcolor: #ffffcc"][SIZE=1]BMW IS RECALLING CERTAIN MODEL YEAR 2004-2010 5-SERIES, 6-SERIES, AND MODEL YEAR 2002-2008 7-SERIES VEHICLES. A CHECK VALVE OF THE BRAKE VACUUM PUMP MAY LEAK A SMALL AMOUNT OF LUBRICATING OIL. OVER TIME THIS COULD RESULT IN CONTAMINATION OF THE BRAKE BOOSTER.[/SIZE][/TD] [/TR] [TR] [TD="width: 16%, bgcolor: #cccccc"][SIZE=1] Consequence[/SIZE][/TD] [TD="width: 84%, bgcolor: #cccccc"][SIZE=1]POWER ASSIST BRAKING PERFORMANCE COULD BE ADVERSELY AFFECTED. IN EXTREME CASES THERE COULD BE A COMPLETE LOSS OF POWER ASSIST BRAKING. AN UNEXPECTED REDUCTION OR LOSS IN POWER BRAKING ASSIST MAY INCREASE THE RISK OF A CRASH.[/SIZE][/TD] [/TR] [TR] [TD="width: 16%, bgcolor: #ffffcc"][SIZE=1] Remedy[/SIZE][/TD] [TD="width: 84%, bgcolor: #ffffcc"][SIZE=1]BMW WILL NOTIFY OWNERS AND DEALERS WILL REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN DURING NOVEMBER 2010.[/SIZE][/TD] [/TR] [/TABLE] [/CENTER] [/TD] [/TR] [/TABLE] [/TD] [/TR] [TR] [TD="width: 24%"] [/TD] [/TR] [/TABLE] [/QUOTE]
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E46 N42B20 Vaccum Pump
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