The Brembo GT big brake kit for 2006 330xi and 2006–2012 325xi/328xi front applications pairs four‑piston cast calipers with two‑piece 355×32 mm slotted rotors (Type 3) in silver. The kit includes the 4‑piston calipers and the specified 2pc rotors with the listed rotor size and slotting to match those BMW xi model years.
Brembo 06 330xi/06-12 325xi/328xi Fr GT BBK 4 Pist Cast 2pc 355x32 2pc Rotor Slotted Type3-Silver