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      03-21-2020, 10:45 AM   #7
Maynard
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Drives: 228iX & M2C
Join Date: Mar 2016
Location: Upstate NY

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Quote:
Originally Posted by Dylan86 View Post
If 17x9 et42 ARC-08 will fit a 1er with a 5MM spacer, you should be okay. But as mentioned, camber adjustment is key. If none, I'd strongly suggest the 8.5" on a 235/40, it'll actually perform better. A 255 section should be on a minimum 9" wheel, imo

This, 100%, or even better (lighter) is 8" w/225, if the tires come in that width. Lighter, better response, same amount of traction. If you are really serious about a dedicated autocrosser, you also want to consider backfitting the smaller 228 brakes (non-blue) to lose even more weight.
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