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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Wheels and Tires Forum Sponsored by The Tire Rack > 18x8.5 ET23 fitment



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      07-22-2019, 09:01 AM   #1
Kev0
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18x8.5 ET23 fitment

I have 18x8.5 ET23 squared wheels. I need to replace my front tires and it's 255/35 and currently rubbing. Can I get away with 245/35 or should I stay with 255 and raise the front a little to stop the rubbing?
My car is significantly lowered on ST coilovers.

My car is a 2012 E92 335i LCI and fenders are rolled btw.
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Last edited by Kev0; 07-22-2019 at 01:08 PM..
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      07-23-2019, 03:57 PM   #2
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Quote:
Originally Posted by Kev0 View Post
I have 18x8.5 ET23 squared wheels. I need to replace my front tires and it's 255/35 and currently rubbing. Can I get away with 245/35 or should I stay with 255 and raise the front a little to stop the rubbing?
My car is significantly lowered on ST coilovers.

My car is a 2012 E92 335i LCI and fenders are rolled btw.
How much front camber are you running? With camber of -2.0 or so you should be able to clear your current setup without rubbing, although it depends on the ride height and tire brand.

Although it's a smaller-than-OEM diameter, downsizing to 245/35 will make things much easier as the tire will be shorter and narrower, giving you more room all around.

--Dylan
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      07-23-2019, 05:30 PM   #3
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I was running that exact setup and only rubbed when it was absolutely slammed. I raised it a hair and it was golden. How low is it??
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      07-23-2019, 06:04 PM   #4
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Originally Posted by Antetokounmpo View Post
I was running that exact setup and only rubbed when it was absolutely slammed. I raised it a hair and it was golden. How low is it??
It's pretty low. No gap and tire is like really close to fender where a slightly uneven road will cause it to rub, but not that bad of a rub. My car pulls to the left too so not sure if it's tire related. My front camber is -0.90 and -0.88I believe. I need to double check on the alignment sheet. I planned on getting Michelin PSS to match the rear.

Last edited by Kev0; 08-06-2019 at 02:14 PM..
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