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      03-11-2009, 06:17 AM   #17
gr8000
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Drives: E92 M3 - DCT
Join Date: Jul 2008
Location: Athens, Greece

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Quote:
Originally Posted by J08M3 View Post
Happened to me again last night while cruising around a parking lot looking for a space. It's weird sounding, doesn't quite sound like a rock. Almost sounds like it's in the exhaust system. Sorta embarrassing while while driving past pedestrians in your $70k car. I hope it's just a rock, otherwise it sounds like something that wants to break.
I also thought it was the exhause contracting when cooling off but was wrong. Simple test: does the sound stop when you stop the car? if it does then it is likely it is the rock issue.
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