The Brembo GT big brake kit for 2017–2023 540i front applications replaces stock front components with six-piston calipers and two-piece 405×34 mm cast rotors in a drilled finish and yellow color. This complete front kit focuses on stronger braking performance and improved rotor cooling, while two-piece rotors make service and rotor replacement more straightforward.
Brembo 17-23 540i Front GT BBK 6 Piston Cast 405x34 2pc Rotor Drilled-Yellow