The Brembo GT front big brake kit for 2008–2013 BMW M3 and 2011–2012 1M includes six-piston cast calipers with 380×34 mm two-piece drilled rotors in silver. The cataloged front-axle fitment for those M3 and 1M years is explicit, and the description lists the six-piston calipers, two-piece drilled rotors, and silver finish as the kit's main specifications.
Brembo 08-13 M3/11-12 1M Front GT BBK 6 Piston Cast 380x34 2pc Rotor Drilled-Silver