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      01-10-2024, 02:10 AM   #7
snowbimmer
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Drives: 2022 M850 GC - Carbon Black
Join Date: Feb 2017
Location: PDX

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2022 M850 GC  [10.00]
Quote:
Originally Posted by IronFather View Post
Thank you for the compliment and the.02��. I'm currently running spacers all the way around but would prefer having the wider stance without the spacers. 275 on the rear to me is just too skinny. I know having AWD negates some of need for thick rubber in the rear, but a 275 is just too thin for car as wide as the 850 in my opinion.

You're thinking like I did. M850 tires and wheels are too small. After researching other forum members, I jumped up to a 9" front with a 255/35 and a 10.5" rear with a 285/30. But the M850 tire profile is one down from the M8 and the rears looked way stretched. So I went to a 295. Looks great. I think some members are running the 305.

Be careful to distinguish what an M8 owner says about their wheels. M8 offsets are completely different. M8 OEM offsets are 28 front and back. An OEM M8 wheel doesn't play well on an M850 - I've tried. Way too much poke. A custom wheel on an M8 may still not fit on an M850 if they don't have the right offset, although some wheels can be fully customizable where you can pick your own offset.

Our OEM offsets are 26 front and 41 rear. My Vossen HF5s have a 32 front offset that pushes the wheel out 7mm. Could probably have gone with their 25 offset for an additional 7mm, but I think it works as it is. The rears are a 45 offset and the wheels were pushed out 15mm. Just right, I think. With a 45 offset and an inch and a half wider wheel, the rim was pushed 23mm closer to the strut - so there seems to be plenty of room to screw around with back there.

Handling is right in there now. It's very confident and planted at high speeds. It still doesn't handle as well as my 2 F90s did, and obviously the M8, but it's a helluva lot closer now. Physics still rules when driving a 4800 lb boat rocket. Here's a couple pics:
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Last edited by snowbimmer; 01-10-2024 at 02:20 AM..
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