Thread: Knocking Sound
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      06-28-2012, 04:16 PM   #3
Aries326
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Drives: 2008 Z4 3.0si
Join Date: Aug 2011
Location: NC

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I've been searching YouTube and the web about this knocking sound. I'm convinced it is the TOB. My appointment with the dealership is July 3. I hope it is covered under warranty.
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