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      11-02-2013, 11:43 AM   #11
JTWCT
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Drives: 09 328xi E92
Join Date: Dec 2011
Location: Fairfield County, Connecticut

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Quote:
Originally Posted by danniexi View Post
235/35F and 275/30R are ideal tires sizes for 19".'
Agreed, for xDrive/xi 235 front and 275 rear tires are better because the xi is all wheel drive you want to keep the rolling circumferences the same to prevent strain on your transfer case.

So 235/275 combo is best:
.35 x 235=82.25mm and .3 x 275=82.5, a .25mm difference.
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