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      02-13-2020, 09:58 AM   #8
Denys_BMW
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Ukraine
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Drives: M340i xDrive
Join Date: Feb 2020
Location: Ukraine

iTrader: (0)

Quote:
Originally Posted by raptorapture View Post
Big thanks to Kevin **********s and Forgestar Wheels for going back and forth with me regarding fitment and tires.
---Specs---
Front Wheels- 19x8.5 +25 (Semi Deep Concave)
Rear Wheels- 19x9.5 +30 (Deep Concave)

Front Tires - Michelin Pilot Sport 4S 245/40/19
Rear Tires - Michelin Pilot Sport 4S 265/35/19
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Rears have a bit more room to go wider but would have to adjust the offset since +30 is showing a little poke, front fitment is tight on this one with +25.

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Rear wheel and tire profile.

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Front fitment.

Waiting for Dinan to wrap up their R&D on the suspension goodies so I can drop it a hair to eliminate some of the gap.
According to tyre and wheel calculator you have wheel outside diameter at front 679mm (26.7") and at rear 669mm (26.3") so rear wheel has 10 mm (1.5%) smaller outside diameter then front wheel. As I know it's not good for xDrive transfer case. As I see you have RWD car, you don't have this problem. How do you think is it necessary to use 235/40 + 265/35 tyres size on xDrive car with the same wheels?
Appreciate 0