forget M3 fitment... The M3 fenders are wide. Try to keep the offset around +35mm on your coupe.. If you roll your fenders you can do a little lower, but the fitment also depends on the tires and the width of the rim as you might know...
Sapphire Black MetallicNatural BrownSilver Cube
e46 330i ZHP/ZCW/6MT - Sold
M3 - RIP
Alpine WhiteTanSand High Gloss e46 330i SunRoofLess/5MT