Thread: Tire size
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      09-06-2007, 01:00 AM   #4
First Lieutenant

Drives: '05 G35 coupe 6MT
Join Date: Dec 2006
Location: Iowa City, IA

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Originally Posted by GregW / Oregon View Post
What, what? The E46 M3 used 225/40/18 fronts and 255/35 rears (subtract .05 aspect ratio for 19s). That results in front and rear tires of about the same diameter. If the specs are true for the E92 version, the rears are larger in diameter. This does not mean anything in particular, it's just a departure that I don't know has been previously recognized. If the diff ratio is lower (which it is at 3.846), the larger tires are offset to some degree in overall drive ratio.
Hmm, and what does all of this mean?

I think that's what his "what??" was all about...because it's my "what??" too.
Now:'05 G35 6MT\Laser Red\Beige\Sport\Premium

06/2008: M3, 335+Dinan, or ...