Quote:
Originally Posted by itf joegun
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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Yes, I meant 245/35/20 and 285/30/20.
35 means 35% of 245 = 85,75mm
30 means 30% of 285 = 85,50mm