PowerStop Track Day Spec rear brake kit for 2008–2010 BMW 135i is built for advanced track-day and spec-racing use with pads and Autospecialty rotors matched to high-heat conditions. This Stage 2 kit targets drivers using race tires and aggressive sessions who need consistent pedal feel and extreme fade resistance. Pads deliver high hot friction and stable modulation; rotors are mill-balanced for direct-fit installation.
Power Stop 08-10 BMW 135i Rear Track Day SPEC Brake Kit