M3 Brake Kit
Info: wilwood.com
Whether you regularly track your M3 or are just looking for extra stopping power on the streets, Wilwood's Big Brake Kit is an excellent option. Available with forged billet six-piston front and four-piston rear calipers, these kits should improve your braking performance. Also included are 13.06" front and 12.27" rear rotors, available in drilled and slotted designs. The rotors also feature a hat assembly that works in conjunction with BMW's internal drum parking brake mechanism, so the application is seamless.