The PowerStop Track Day Spec brake kit for 2011–2013 BMW 135i front applications combines Track Day Spec pads with Autospecialty rotors for a ready-made track solution. Intended for advanced track-day or spec-series use with aggressive tires, the compound is data-tested to resist fade and maintain consistent pedal feel. The kit includes mill-balanced direct-fit rotors and necessary hardware for a confident on-track upgrade.
Power Stop 11-13 BMW 135i Front Track Day SPEC Brake Kit