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      03-28-2012, 02:21 AM   #11
itf joegun
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Drives: G29 Z4 M40i; G05 X5 M50i
Join Date: Apr 2010
Location: Rhineland Palatinate - Germany

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Quote:
Originally Posted by remmib View Post
245+285 is close in diameter than 255+285.
Perhaps I am wrong with my understanding of tire sizes, but the diameter depends on the hight of the tire, not the width alone. The figures 255/285 are the width, not the hight. Only with the additional figures of hight, you get the picture. Also the width of the rim is relevant, because the tire stretches on the rim. Sorry for stating the obvious, but I just want to make sure I am not wrong with my thinking. Please correct me if I am...

We have on the F11 the BBS CH-R 255/35 20x9-rim (front) and 285/30 20x10.5-rim (rear) which is ok with the M-suspension. Tires are PSS. No rubbing in any way...
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