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equ · 12-20-2011, 05:25 PM

225/50-17 is the correct 17" size for the e46 m3, the total diameter is the same as the OEM 18" diameters (225/45 front and 255/40 rear). 225/45-17 would be quite off.

I remember my 330 zhp ran 225/40-18 and 255/35-18's. I was always bummed that m3's had more sidewall, but at least the zhp had the better ride, even on the low profiles. I don't like how e46 m3's ride on the 19's (just as I don't like how my 997 rides on 19's).

12-20-2011, 05:25 PM	#8
equ Alphanumeric Join Date: Aug 2005 Carmudgeonly Ride: 981S, 340i Posts: 9,584	225/50-17 is the correct 17" size for the e46 m3, the total diameter is the same as the OEM 18" diameters (225/45 front and 255/40 rear). 225/45-17 would be quite off. I remember my 330 zhp ran 225/40-18 and 255/35-18's. I was always bummed that m3's had more sidewall, but at least the zhp had the better ride, even on the low profiles. I don't like how e46 m3's ride on the 19's (just as I don't like how my 997 rides on 19's). Last edited by equ; 12-20-2011 at 05:42 PM.