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BMW M8 Forum and 8 Series Forum BMW M8 and 8-Series General Discussion Whats the widest wheel size I can go on a M850i?

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      11-28-2023, 03:44 PM   #45
ElloM8
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Quote:
Originally Posted by Dasky_spas View Post
What offsets are people running on the 11" rear?
+38 is what I would recommend with an 11". It's what I have with no poke.

Last edited by ElloM8; 11-28-2023 at 03:58 PM..
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      11-28-2023, 03:57 PM   #46
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Quote:
Originally Posted by Norris83 View Post
Your summer setup looks great! What’s the offset on your rear 22x11?
I’m assuming you want to move from a 295/25/22 to 305/25/22?
Does this current setup poke or would you say it’s flush with the stock height?
I might want to do a 305/30/22 but that would only be if I remain at the stock Hight. It could be a risk of poke with a 305, that's why I haven't made up my mind.
I do not get any Poke. I can only deal with that on my truck. LOL
The offset is +38. on my summer set. My winter set is +45. Those rims are a half inch less width.
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Last edited by ElloM8; 11-28-2023 at 04:06 PM..
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      11-28-2023, 04:03 PM   #47
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Quote:
Originally Posted by Norris83 View Post
This is very similar to my summer setup lol. I knida of wish I went with 21” but our roads are bad here.
I am aware. You are the one that gave me the exact offset to go with on my front tires. It is damn close the the control arms but still clears.

I love the 22"s for the summer but they are trash at high speed. They run perfect up to 100MPH. Start to vibrate at any speed above that. Now that I have the stage 1 tune and the speed restrictor removed I can run it with my winter tires a little better.
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      11-28-2023, 08:41 PM   #48
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I should have specified, 11" rears on the m850. The M8 has shorter rear axles so less offset is needed. I was thinking 20x11 et 47. That should put it flush but unsure about the inside rubbing.
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      11-29-2023, 04:32 PM   #49
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I'm running
front 21x9.5 et 21 on 275/30 and
rear 21x11 on 305/30 et 40
on ps4s. sits flush. got here from trying different offsets.
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      11-30-2023, 09:42 AM   #50
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Quote:
Originally Posted by BuiltMyWay View Post
I'm running
front 21x9.5 et 21 on 275/30 and
rear 21x11 on 305/30 et 40
on ps4s. sits flush. got here from trying different offsets.
m850i? Lowered at all? Any rubbing even at full lock? Any pics you can share? Thanks!
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      11-30-2023, 07:22 PM   #51
Dasky_spas
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That 40 offset seems off. By flush, do you mean popping out a bit? The way I figured was a 47 offset to be flush. I run a 9.5 with 28 offset now and it's flush. I'm using that as the reference.
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      12-02-2023, 11:23 AM   #52
ElloM8
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Quote:
Originally Posted by BuiltMyWay View Post
I'm running
front 21x9.5 et 21 on 275/30 and
rear 21x11 on 305/30 et 40
on ps4s. sits flush. got here from trying different offsets.
Any chance you could post a pic of that? I'm not sure my idea of "flush" is the same as yours. I'm not trying to be a prick, I'm honestly curious. The fact that you got a 275/30 on a 9.5" rim & an of ET21 up front without any poke is shocking. The M850 is not forgiving.
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      12-03-2023, 12:31 AM   #53
Dasky_spas
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I know this comment wasn't for me but I put the M8 fenders on so I can run wider rims and tires. The m850i has different steering knuckle so it doesn't curve as far in as the m8.
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      12-07-2023, 01:59 AM   #54
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Sorry forgot to mention it is an M8.

By flush I mean not popping out like how it should look from the dealer, like it is meant to be like that (factory/oem), otherwise normal vs an aggressive stance popping out or it being in, which looks off.

Yeah, it is dropped on h&r springs 1.3" all around. no rubbing when fully locked, or so little it doesn't affect anything. however, the rubbing to be considered with is the front lip because it catches on everything and not just driveways but even dips or pretty much any time you are not at a 0 degree even flatness lol. I have to take driveways super slanted and still sometimes hear it scratch.

Yeah, I can post some pics soon, haven't taken any yet.
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      12-07-2023, 10:45 PM   #55
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Quote:
Originally Posted by BuiltMyWay View Post
however, the rubbing to be considered with is the front lip because it catches on everything and not just driveways but even dips or pretty much any time you are not at a 0 degree even flatness lol. I have to take driveways super slanted and still sometimes hear it scratch.
Just curious what's your front ground clearance from the bottom of your lip? I'm lowered more than 1.3 with a 3D designs knock off carbon lip and have no issues scraping driving normally. I only have to angle a couple steep turns that I normally take and still no scrapes
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      02-11-2024, 05:33 PM   #56
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I just placed my custom forged wheels order, crossing my fingers these offsets are correct!

For the m850, with m8 front fenders, I went with:

20x10, et 20 for 295/30/20
20x10.5 et 41 for 305/30/20

Should fit flush, especially when lowered. I'm running KW V3 so once the wheels are on, I can lower it another .5" in front, and .3" in rear. I really like Carbahn's M8 look and stance, that was my inspo.
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