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...
Black Sapphire MetallicNatural BrownSilver Cube
e46 330i ZHP/6MT - Sold
M3 - RIP
Alpine WhiteTanSand High Gloss e46 330i SlickTop/5MT
Black Sapphire MetallicNevada BrownDark Bamboo e70 X5 xDrive4.8
Alpine WhiteCoral RedAluminum f30 328i Sportline/6MT