Originally Posted by spr
How is the ride quality going from 35 to 30 series front??? I'm debating running 255/30 275/30 v. 255/35 275/30. Thanks!
A 255/30 will undoubtedly have a worse ride quality than a 255/35. I would get 255/35 or, if you fear slight rubbing at full lock, 245/35 (stock size). 275/30 is too short for the rear. I would get 275/35 or 265/35. This all assumes you are running OEM wheels.
'04 E46 M3 - Jet Black - Sold
'08 E90 M3 - Alpine White - Sold
'13 E92 M3 - Silverstone II - Sold
'13 E92 M3 - Alpine White - Ohlins TTX, Fall-Line Suspension Arms/Bushings, AP Racing BBK, OE GTS Aero, Cobra Seats, Akrapovic GT4, GMG 4-point, BBS E88