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      01-15-2023, 05:13 AM   #5
snowbimmer
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Drives: 2025 M850 GC - San Remo Green
Join Date: Feb 2017
Location: PDX

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2025 M850 GC  [9.50]
Quote:
Originally Posted by Llarry View Post
I'm not conversant with the 8er but offhand I see two OE options: 19s with 245/40R-19 & 275/35R-19 and 20s with 245/35R-20 & 275/30R-20. Oh, and now I see you you're proposing a 1.5" width bump both front and rear and an inch wider tire (?) — that's 25mm — now you've lost me; I think that is just too extreme.

I would think going to 255 front and 285 rear would not be imprudent, but what you're talking about is pretty radical. My two cents.
Yes, I'm going 255 front and 285 rear.......only 10mm wider per tire. But the front rim will gain an inch from 8" to 9". The rear rim will go from 9" to 10.5". They are 20" dia wheels.

The M8 runs a 275 on a 9.5" wheel in front and a 285 on a 10.5" wheel in back. The width isn't the problem. My question still remains about the new height vs OEM.
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