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      07-12-2012, 03:33 PM   #6
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Drives: 09 e92 335xi
Join Date: Sep 2011
Location: Westchester, NY

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Originally Posted by deezofchuck View Post
so there seems to be some miscommunication about the rolling diameter. Gary from tirerack said it's not the rev/mi we should be worried about but rather the actual diameters of the front/rear tires.

go to and get your tires added by size then click the front overall dia and the rear overall dia. It is said to be at 0.0" difference is ideal, but up to 0.2" is okay.
Front is 25.26 and 25.48 in the rear so the differential would be 0.22"

I don't think .02 is going to hurt much but then again who really knows?
MakkkD is offline   United_States
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