Race & Rally Parts
AP Racing Brake Kit
Selling a set of AP-5575 calipers in red with a set of discs and 3 sets of pads. They will come with everything needed to fit straight on to your M3.
I've ran the exact same setup on my old M3 for 3 years with no issues. No squealing or rattling just unbelievable stopping power.
Pagid RS15 - 8-9mm
Pagid RS15 - 5-6mm
Also comes with half a set of Pagid RS29 pads with 4mm left.