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      11-10-2012, 02:59 PM   #6
shivaswrath
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Drives: 2012 335i
Join Date: Apr 2008
Location: Lost in NJ

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Quote:
Originally Posted by martinf79 View Post
Yes - only right one is open. The left one is closed on start-up (for first 20 seconds or so). The damper on the left (which closes on start-up) is the one that makes a rattling sound. Do you have this too?
I have the M sport exhaust, so never had this problem. Sounds annoying though...
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