Originally Posted by gimmethemuumuu
The offsets of this type of aftermarket wheel made specifically for the E9x M3 are 22 F and 20 R. Those wheels are 9" wide in the front but still 10" in the rear.
Do you guys think that means I'm off that much more from the ideal spacing for this car?
I was able to run a 15 mm spacer with my 219M F 18x8.5et29 with room to spare (wasn't going for a flush fitment). This means you'd have to run at least a 20 mm spacer depending on how aggressive of a fitment you are trying to run. Your rear 10et25 is fine or, for a more aggressive fitment, you could run a 5-10 mm spacer on the rear.