Quote:
Originally Posted by scottn2retro
For et 38, it was. If you use et 40 or 44, more of a chance you won't have to. Or use 245 tires on all four corners.
Having worked with BBS for a while, I made a note of the possible fitments for 18s and 17s and after what we've done and what I've seen people like Larry do (17x9 et 44 with 255s and no rolling), I think the best BBS choices for people are:
CHs in 17x8.5 et38 (22 lbs.) with 245s
Note: I didn't evaluate CHs in 18" - too heavy for us to consider for racing
RG-R in 17x9 et42 (17 lbs.) with 245s or maybe 255s
RG-R in 17x8 et 40 (17 lbs.) with 245s
RG-R in 18x8.5 et38 (18.6 lbs.) with 245s
RG-R in 18x9 et 45 (19.5 lbs.) with 245s or maybe 255s
RE in 18x8 et 47 (20 lbs.) with 245s
RE in 18x9 et 45 (21 lbs.) with 245s or maybe 255s
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Scott, I've test fitted (without tires) the RG-R 17x8 et40 on the front of my 135i and it fits OK. Strangely, the 17x9 in the rear only have ~1mm clearance between the high points on the brake caliper and the inside of the wheel, which I'm thinking is insufficient after the brakes heat up. What do you think?