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GP20 · 04-25-2015, 01:05 PM

Z4 and Z4M have different wheel offset tolerances. For the non-M, you really need +ET40 at the front. You cannot fit a 245/40/18 tire without rubbing.

04-25-2015, 01:05 PM	#4
GP20 Major 96 Rep 1,269 Posts Drives: Z4M, F80 M3, 991.2 GTS Join Date: Jan 2007 Location: Canada iTrader: (5)	Z4 and Z4M have different wheel offset tolerances. For the non-M, you really need +ET40 at the front. You cannot fit a 245/40/18 tire without rubbing.
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