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      07-20-2012, 02:33 PM   #18
M3PO's Avatar
Drives: '08 IB E92
Join Date: Sep 2011
Location: OC

Posts: 2,738
iTrader: (7)

I have the same problem. Vibration in the front over 80 mph. I haven't had them road force balanced. I don't beat the tires up on the track. My BBS are hubcentric and straight.

From what I understand, the design of the suspension is such that it is very sensitive to imbalances in the wheel/tire assembly. For most people, road force balancing seems to cure it.
2008 IB E92 M3| BBS | KW | Arkym | Platte Forme A.G. | Active Autowerke | K&N | Fabspeed | Dinan | Evolve-R
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