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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Rattle From Engine Bay



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      02-17-2013, 04:24 PM   #45
Dark_Knight_335
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Quote:
Originally Posted by ronny214 View Post
BMW got the rubber plug, on the tech out sheet it is called a rubber plug, and installed it within a day. So far I do not notice the rattle any more. They said it is possible that even with the plug it could come back. If that happens it means a new tranny...I just hope that if it DOES come back, it decides to do it BEFORE my warranty runs out....maybe I should go buy an extended.
Can you PM me the service info/ part no?
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      02-17-2013, 07:21 PM   #46
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Nice update. Thx.
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      02-17-2013, 09:18 PM   #47
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Originally Posted by Juiced46 View Post
Wish I saw this thread sooner could have saved you some time. I cant believe they were trying to tell you its a rod bearing! This noise is common on E90s, F25s and a few other models. Its just noise transferred through the transmission, the plug sometimes fixes it. I have heard them MUCH louder. The fix to this is to "clock" the TQ converter. Meaning unbolt it from the flywheel and rotate it, rebolt it to the flywheel. This fixes it. FYI this only affects Auto cars, not manuals.
Hi just so I understand, there's also a different "rattling" sound originating from the transmissions of automatic cars different from the waste gate/turbo rattling that affects these cars?
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      02-17-2013, 09:52 PM   #48
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Quote:
Originally Posted by 1nityrider View Post
Hi just so I understand, there's also a different "rattling" sound originating from the transmissions of automatic cars different from the waste gate/turbo rattling that affects these cars?
Yes, its more of a knock noise then a rattle
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