The Brembo Rear GT big brake kit uses four-piston cast calipers with 345x28 mm two-piece slotted Type 1 rotors for rear fitment on 2008–2013 BMW M3 (E90/E92/E93) models. Rotors are slotted and finished in yellow, delivering the two-piece rotor layout paired with four-piston rear calipers for the stated M3 applications.
Brembo 08-13 M3 (E90/E92/E93) Rear GT BBK 4 Piston Cast 345x28 2pc Rotor Slotted Type-1- Yellow