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      05-16-2011, 07:22 PM   #5
Beyu
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Drives: 135i
Join Date: Feb 2011
Location: WA

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Quote:
Originally Posted by silverforumsurf View Post
is there some type of calculation or rough % math I should be thinking about?
Here's a very nice guide for explaining what the numbers on tires mean. I believe the 18" wheels aren't staggered and only the 19" are.

http://www.tirerack.com/tires/tirete....jsp?techid=46

19" wheels sidewall:
245/45/19 front: 4.34 inches
275/40/19 rear: 4.33 inches

18" wheels sidewall:
245/50/18 all around: 4.83 inches

So usually the lower the middle number is the less sidewall the tires have.
Appreciate 0