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      03-16-2012, 06:42 PM   #51
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Drives: 2005 Z4 3.0i
Join Date: Jan 2011
Location: Davis, CA

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2005 Z4 3.0i  [0.00]
Originally Posted by paintpro21 View Post
The rear fitment will be tight. We have not tested this combo. There's a good chance it would clear by a few millimeters, but a roll may be needed. We have a local customer with a non-m. The next time they are by the shop, we will test this fitment.

17x8.5" ET40 with 235/40/17 is a very, very easy fit. Even 245/40/17 is an easy fit front and rear.

The most conservative setup I would run on the non-m Z4 is 245's on 17x8.5's.
Thank you very much paintpro... Looks like i'll have to wait until my existing 225 PS2's are worn out before switching over :-) My only remaining question would be, you said 245/40/17 where the 17's aspect ratio is usually 45 (like 225/45/17 i run now). Would a 45 be fine, or do you indeed mean a 40 is what is needed for this setup. Don't mean to nit pick, just want to make sure i have my numbers straight when I decide to pull the trigger on this buy.

Thanks once again, awesome looking wheels.