Depends on tires. With 235/265 Dunlops the fronts were good however I had slight rub on the rears with 12.5mm. I was lowered ~ 1/2". With OE tires they are fine. Punko I have 4 - 12.5mm Turner spacers if you want to try them?
2006 Z4MC - #LL93158
SuperSprint Race Cans, RE X Pipe, Fabspeed Headers, OE STB, AS Shifter, Dave Z Modified CDV, Ground Control Coil Overs, Stoptech lines, Hawk DTC Pads, RE Clutch Stop, RE Transmission Mounts, Vibra-Technics Engine Mounts, ZHP Shift Knob, LeatherZ M Shift Boot, Tekarbon Rear Spoiler, CF Grills, Advan RS DGM