Quote:
Originally Posted by ctbear
Will 18x9 +35ish square fit all around without rubbing? Or does it require spacers? I'm leaning towards options that won't require spacers.
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18x9 +35 w/255/40/18 will fit without rubbing and does not need spacers. the position of the 255/40/18 is the same place on 18x8.5 +35, but the tire has an insignificant (6mm) bulge on 8.5" compared to a 9'.
https://f30.bimmerpost.com/forums/sh...%2F4018+square
EDIT...if i were to go arc-8 square i'd run 18x9.5 +35 with 255/40/18 square, turn-in sharpness is better since the tread width is narrower than the rim width, due to a mild stretch and you'd compromise just 0.4lbs for profile 3 concavity. it would still fit without rubbing or spacer.
the links below have cars on 19x9.5 +35 square with 255, for visual reference. 18's would have a more sidewall but the tire and rim position would be the same.
https://f30.bimmerpost.com/forums/sh...=18x9.5+square
https://f30.bimmerpost.com/forums/sh...+square&page=2