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      02-14-2013, 11:22 AM   #8
bdaddylo's Avatar

Drives: 2011 E90 M3 ZCP
Join Date: Dec 2010
Location: Houston, TX

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Originally Posted by ozinaldo View Post
I see your point; but 275/35 is only 26.6 inch diameter so merely 0.3 taller than the stock 265/35; there is an additional 0.5 inches with the 295/35 on top of your 275/35 set up. I suspect there might not be enough space back there, especially under load with a passenger or two at the rear.
When determining clearance you compare the radius and not the diameter. An additional 0.25" is not going to be a problem.

Originally Posted by Scott B View Post
Alrighty, so I guess I'll be the guinea pig on this one. Bought the wheels and am mounting 285/30/18s on them tomorrow. Will post my findings here.
No need to post your finding as 285/30/18 is shorter than the stock tire size. Below is a useful link to compare tire sizes if you don't know how to calculate by hand.
2011 E90 M3 ZCP/AW/Ohlins R&T/Vorshlag CP/Stoptech ST-40 Trophy Street
2011 1 Series M Coupe/VO/Fully Loaded/Bloated