EBC Yellowstuff Rear Brake Kit For BMW M Lite And M Vehicles DP42133R-EFA165-BPF0055The rear brake kit is a great value offer. The kit comes with Yellow stuff rear pads which offer an enhanced stopping performance, a wear sensor that should be changed when new pads are installed and new pins, which is a must change item when installing new brake pads. KIT SPECIFICATION EBC Yellow stuff rear brake pads x1: DP42133R for the following cars; M135i 40i, M235i 40i, 340i, 440i, M2, M2C, M3, M3C, M4 & M4C Rear wear sensor x1: EFA165 Rear pin