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      10-01-2012, 12:32 PM   #233
Drives: 2008 BMW M3 DCT COUPE
Join Date: Sep 2011
Location: BOSTON, MA

Posts: 346
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I read every post in this thread. It seems, as was said, that there could be many different (albeit related) issues when hearing this sound. The posts were all very helpful, especially the videos. I heard this noise coming from my car for the first time Saturday night. Happened again as I started to drive yesterday. Sound went away after some hard stops and a long ride. In my case, i think it was a pebble stuck. I just can't see how the sound would come and go if it was something like a warped backing plate or heat shield.
MA///M3 is offline   United_States
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