[Fly335dguy]

Greetings,

I am considering moving from a staggered setup to a square setup and wanted to ask advice from the group.

Here's what I've got:
535dx m-sport on staggered style 351M 19" x 8.5" Fr & 19" x 9.0" Rr double-spoke wheels with P245/40R19 Fr & P275/35R19 Rr

Looking to move to:
Square setup with either:
8.5Jx20 ET33 or 9Jx20 ET44


Here are my questions:
1. Which rim size and offset is better for xdrive?
2. Which wheel would allow me the largest tire? I was hoping to go with 255/35R20 non-runflats all around.

Goals are to have a good balance of traction, ride quality and handling while being able to maximize tire duration. I also want to fill in the gap in the wheel well and tire.

I plan to upgrade to either ACS springs or KW Var3 coils at some point, so it will be lower a bit.

Thanks!