The Brembo rear big brake kit for 2012–2014 328i with M Sport brakes (excluding xDrive) upgrades the rear braking with four-piston cast calipers and two-piece 345×28mm slotted rotors in Type1 black. The kit is built to increase thermal capacity and deliver a firmer brake feel. Specified as a rear-specific fit for M Sport-equipped models, it supports improved stopping consistency during repeated high-load braking.
Brembo 12-14 328i MSport Brakes Excl xDrive Rr GT BBK 4Pis Cast 345x28 2pc Rtr Slot Type1-Black