Excellent wheel/tire fitment reference....
https://support.apexraceparts.com/hc...-Fitment-Guide
I wanna run 255/40/17 square on ET38 17x8.5 wheels...gonna be tight out back even with a fender roll I think.
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09 128i Slicktop - TCKlines, KMac Plates, M3 RSFB, M3 RSB, Hotchkis FSB/endlinks, 1M brace, Wavetrac, Coolerworx, JKVK headers, RPM Motorsport Tune, Yokohama A052 255/40/17s