[Kevin_The_Clean1]

Originally Posted by oVeRdOsE.

What style wheels are those again... ?

[Onizukachan]

Style 193

https://bmwoemwheels.com/rim-models/...eel-style-193/

[e91tom]

Originally Posted by oVeRdOsE.

staggered setup has nothing to do with transfer case issue.

xdrive + sport come OEM with staggered wheels.


overall diameter does, and it's very important to have same tire diameter on a staggered setup.


I like meaty tires, I went 265 in the rear, and I think those wheels could have take 275

That's what I needed to hear! Going to do 255/35 in the rear next spring then, using willtheyfit.com that looks like the closest diameter at .5mm off. And I believe that was the OEM stagger you spoke of!

[4 Doors]

Yep, OEM staggered is/was 225/40/18 (front) and 255/35/18 (rear). That is what came on my E91 with Style 193 wheels from factory.

If I go with a squared set of Style 640M wheels then I am thinking 245/40/18 may be good with Michelin Pilot Sports. If I go with a staggered set (OEM stock from M3/M4) then I am thinking 235/40/18 (front) and 265/35/18 (rear) is reasonable for my E91 since it is xDrive and LCI.

I already have a staggered set of the Style 640M wheels, but searching for another set to make a squared set of rears (18x9). I will sell the set of fronts to someone interested. Most will probably just use as a winter set.