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      02-24-2010, 04:40 AM   #5
Mr.335iCoupe
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Drives: e92 335i
Join Date: Jul 2008
Location: San Francisco

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Quote:
Originally Posted by darklocust View Post
You can't fix wastegate rattle from the exhaust. LOL.

Rattle from the exhaust is normal (during startup) since there's a silencer valve. Now, rattle from the engine area is a different story.
That's exactly why my service adviser said. I'm pretty sure it's not normal. It might be common but it's an issue that should be addressed because the rattle doesn't only happen during idle, it comes back whenever you the rev goes over 2000. It gets real annoying and I'll try to record it tomorrow. I never had this issue with my previous 335. I found the issue to be a lose piece that holds the flap in place. ( you can see the little tip that protrudes from the bottom of the driver side exhaust tip ) I'm sure some 335 drivers can chime in about their exhaust sound when the flap is closed. So far, the dealer is going to replace the left side of the exhaust, muffler down or wherever it unbolts from.
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