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      07-08-2011, 04:29 PM   #12
KM3
Formerly K335i
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Drives: 2009 E92 M3
Join Date: Jul 2009
Location: Redmond, WA

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Same issue here on my stock setup - had the wheels/tires road force balanced and still get the slight vibration over 75 or so. I was thinking along the same lines as you - my PS2s have seem some abuse on the track. At this point, I'm going to ignore the issue until I put new tires on and see if it goes away then.

This car seems especially sensitive to wheel/tire imbalances...

Quote:
Originally Posted by persian54 View Post
I have a slight shimmy/vibration over 81mph on mine...I had it road force balanced using a Hunter GSP 9700, twice!

I'm thinking it may be the tires cause they are pretty beat up from track use..but it's still a PITA.

Wonder what I can do??
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2009 E92 M3 :: Jet Black :: Fox Red Extended :: Carbon Leather :: 6MT :: JRZ RS Suspension :: RD Sport Sways :: StopTech Trophy Brakes :: Cantrell Brake Cooling