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      04-09-2012, 01:17 PM   #12
blindmule
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Drives: 2012 F30 335i sport
Join Date: Mar 2012
Location: Canada

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Quote:
Originally Posted by justinnum1 View Post
not sure how the gap is different from a 235/40 to a 245/40

both are /40/...
I am not a tire guy. But the /40 is a percentage of the width. So the 245/40 has a wider overall diameter than the 235/40. The 235/40 was coming in 3/4 inch less diam than stock, likely noticeable, totally agree with you. The 245/40 is 1/3 inch less overall diam than the stock, thats getting fairly close.

The 245/40 is rated to go on an 8 to 9.5 inch width wheel. So the the 8" stock just gets in there. I'm kinda trusting Michelin and Tire Rack on this one. Neither have let me down as thus far......again we'll see
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