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Old 12-29-2013, 09:17 PM   #9
Registered User
Join Date: Dec 2013
Location: Wheaton
Posts: 167
My Ride: 330Ci
Is this harmonic issue really true?

Should i be worried if i supercharge or chip my 330 for street driving.
One Of Many Goals.

Last edited by Harry330; 12-30-2013 at 03:49 PM.
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