The Brembo GT big brake kit for 2001–2006 BMW M3 (E46) and 2006–2008 Z4 M Coupe/Roadster is a front-axle upgrade featuring six-piston calipers and 380x32 mm two-piece cast rotors. Rotors are drilled and finished in red; the supplied front assembly combines six-piston calipers with two-piece drilled rotors sized for these BMW M applications.
Brembo 01-06 M3 (E46)/06-08 Z4 M-Coupe/Roadster Fr GT BBK 6 Pist Cast 380x32 2pc Rotor Drilled-Red