The spacers could be magnifying an existing imbalance or out-of-round condition in a front tire. Also, this may be incompatible with the natural frequency of the front control arm bushings. Change one thing, it affects others. Ground-Control sells fantastic control arm bushings, but I'm not sure if they will work in the e9x.
Most likely, though, is an amplified pre-existing problem.
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Dinan compliment of stuff plus PF rotors and RG63s. Enough for now.
Why, yes. I am an abrasive bastard.
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