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      02-01-2013, 08:41 PM   #4
CarbonFoot
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Drives: 2009 E90 M3 DCT
Join Date: Dec 2011
Location: CA - Bay Area

Posts: 332
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Drive it slowly over a parking lot speed bump to see if you can isolate the motion that triggers the sound. It may be something as simple as your sway bar bushings needing some lube or anything else that uses hard urethane bushings.
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