Quote:
Originally Posted by Flyer
I read on here somewhere that BMW states that a max difference of just 1% in tire diameter is allowable. When you do the math, that can be difficult. ie. 25.6 in. front and 25.7 rear is ok, but a 25.8 rear is greater than a 1% difference. Just curious, since I just got my first xi, is anyone nunning a slightly larger than 1% difference and have you experienced any trouble???
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Well, I know that 6 revolutions per mile difference is .8%......which is getting real close to the edge. I kept mine at 3 revolutions per mile difference because I always see the XI's at the dealership that way. I'm think that 7 revs per mile would be cutting it close but it should still work.
