03-25-2008, 07:35 AM
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#8
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Name: nick_318is
Title: Suspended License
Status: Offline
Join Date: Jul 2005
Location: Detroit, MI, I Heart E30s
Your Ride: 1991 318is (e30 m42), 2007 Mazdaspeed 3
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That might be off balance causing you the vibration at a higher speed, like an out of balance wheel. Its part number 1 in this diagram:
http://www.realoem.com/bmw/showparts...05&hg=26&fg=10
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