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      06-23-2009, 01:37 AM   #6
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Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

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Originally Posted by Lemans_Blue_M View Post
As for tires...

255/35/19 tire on the front 19 x 8.5 wheel is about as wide as you want to go


275/30/19 tire on the rear 19 x 9.5 wheel is pretty much maxed out as well.

Some crazy guys have gone further, but you don't want to get too far away from the ideal tire/wheel fitment.
I think I agree that you would not want to go further, but based purely on the wheel width Michelin says a 285 tire can be ran on a 9.5"-11" inch width wheel, meaning this will be fine on the OEM 9.5" width rear wheel. I don't think Michelin is too "crazy" with their specs. The 255 is the maximum width for the OEM front wheel. These maximums might vary slightly from tire manufacturer to manufacturer.