Thanks for posting this info op. I'm going to be specific on the type equipment for sake of this comman issue, not to blame or point fingers at any manufacture. So about 1.5 years ago (18,000) miles ago. I installed an AP BBK New with 12mm spacers. From that day on I have had vibes in the steering at about 80mph range and stronger vibration while braking. About a year ago switched to New ARC-8 wheels, New tires, got rid of the spacers and it never got better. Road force balanced, no hard track days of braking, BMW has checked out the front end. Even did some disc face cleaning with race pads to clean the rotor surface of any pad deposits. Nothing makes a difference. I wish I still had all my OEM parts but don't so can't compare back to stock. Ideas
Thanks.
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