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      04-06-2010, 02:44 PM   #47
drburton
Lieutenant
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Drives: e92 M3 Alpine
Join Date: Feb 2008
Location: Minneapolis

iTrader: (3)

It is rocks. Not sure why so much debate on this. It's rocks in the shield for sure. Design issue that it is happening so frequently. I get it almost every month, sometimes it takes over a week to get the rock out. Tap on the shield with your finger or a rock, same noise.
Appreciate 0