Good luck on your search! Im sure some guys can help you out here, but just out of curiousity....you have an R8 V10 & a 430 Scuderia...why not let the M3 be what it is ? I assume its your daily driver anyway? and its an awesome daily driver!
2010 Audi R8 V10 Coupe 6MT-White on Red
GMG Exhaust | H&R Springs | H&R Spacers | Carbonio Intake | UniTronic ECU Upgrade| 15% Tints/50% Windshield|LED License Plate
2013 Range Rover Sport-Black on Black
Stock with 15% Tint & 50% Windshield