The Brembo front GT big brake kit for 2009–2013 X5 M applications replaces factory front hardware with a six-piston cast caliper and 405×34 mm two-piece slotted rotors. It’s a direct-fit-style upgrade intended to improve stopping consistency and thermal control under demanding street or track use. The kit shown includes Type1 slotted rotors and a black finish for the calipers.
Brembo 09-13 X5M Front GT BBK 6 Piston Cast 405x34 2pc Rotor Slotted Type1 -Black