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2010 2011 BMW 5 Series Forum F10 F10 Technical Topics Wheels / Tires / Suspension / Brakes Tires - Please Help
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      11-14-2018, 02:07 PM   #1
bennyg
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Tires - Please Help

Looking to put 20x9 / 20x10.5 rims and need run flats since no spare in the car, but can't find a set in the right sizes;

245/40R20 and 285/35R20 Run Flat.

Open to other sizes but obviously want some more meat all around.

Any help would be great. Thank you.
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      11-15-2018, 06:36 AM   #2
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Check this site for size compatibility across models

http://www.alloywheelsdirect.net/inf...ting_chart/bmw
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      11-15-2018, 07:57 AM   #3
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Quote:
Originally Posted by sesh1957 View Post
Check this site for size compatibility across models

http://www.alloywheelsdirect.net/inf...ting_chart/bmw
Thanks for the recommendation. However, I'm not going with OEM wheels.
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      11-15-2018, 11:21 PM   #4
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Those tires will fit with correct offsets!

But you cant go too aggressive since the tires are taller than OEM.

Front ET 25-30 and rear 40-45.
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      11-16-2018, 06:22 AM   #5
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Quote:
Originally Posted by .BMW. View Post
Those tires will fit with correct offsets!

But you cant go too aggressive since the tires are taller than OEM.

Front ET 25-30 and rear 40-45.
Planning on staying very close to stock offset.

I am likely going with 245/35 and 285/30. Would like to go 295 rear but the tire options get much more limited when looking at traction and wear ratings.
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      12-21-2018, 03:05 PM   #6
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Im running with the same rim size, but I have 245/40 on the fronts and 265/35 on the back. On the rear im rubbing slightly on a big dip while driving. I have 275/30 for the rear but I havent tried that set up yet.
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