Hi Guys, I am back in the office after my Christmas vacation, and thanks for bringing this to my attention.
That wheel is built to be hubcentric on the M3. It should have a 72.56mm centerbore. If anyone who is having an issue with vibration could get a micrometer measurement of the inner bore (ignore any chamfer or bevel, measure where it is smooth) and let me know, I would be interested.
If the micrometer does not read 100ths of a mm, it should measure out to either 72.5 or 72.6 depending on the calibration.
I have sent out a ton of these wheels, and have seen very few issues with vibration, but I definitely want to find out if there are any irregularities.
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I have accepted a new position at Tire Rack and am no longer in the sales department. gary@tirerack.com is available to assist with M3 questions.
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