Quote:
Originally Posted by Expert@ApexRaceParts
Happy to chime in here. If you are willing to run some camber, then the ARC-8 17x8.5" ET40 with 245/40-17 tires can definitely work. We've had quite a few 1 series customers run this fitment with a lot of success. You mentioned you are running -2 degree's of camber, which may be just enough, however, it will depend on your ride height and tire brand/compound
If you are looking for a more bolt-on fitment we do offer our 18" ARC-8 and EC-7 wheels in a 1 series fitment:
18" Square:
F&R: 18x8.5' ET45 - 235/40-18 or 245/35-18 (245 will require a 5mm spacer to clear suspension, and some negative camber dialed in)
18" Staggered:
F: 18x8.5" ET45 - 235/40-18
R: 18x9.5" ET58 - 265/35-18
We do have a comprehensive fitment guide written up as well that you can check out here. If you want to dive into further detail about the best fitment for your car, feel free to PM us or give us a call 
-Matt |
Does the 125i/128i even tuned with 270-ish hp need 265s in the rear?
When i did some searches here, results shown for the N52 a square 235/40/17 is "the best", 245/40/17 if one desire more grip and for x-cross and serious track 255s all round on 17s.
245/35s are out of the question for me, no one makes a track day tire in Germany that size except Federals and their 595RS-RR which are not legal (unless you enter competition).