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Old 02-25-2010, 05:25 PM   #9
David F
Registered User
Join Date: Jul 2009
Location: Austin, TX
Posts: 549
My Ride: 323i, 740iL, 633CSi
Might not be the tires. Could be bad Guibo, center support bearing, u-joint, etc. Rocks in tires are hard to hear and usually sound like a ticking noise, not a thumping noise. Where did you say the sound seems to be coming from.
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