The PowerStop Track Day high-performance brake kit for 2008–2010 BMW 135i rear is a Stage 1 solution for weekend track days and HPDE use with street tires. It pairs data-driven Track Day pads with Autospecialty rotors that are dynamically mill-balanced for smooth operation. The pads are developed for extreme fade resistance, consistent pedal feel and low thermal conductivity; the kit includes necessary hardware and is targeted at beginning track-day enthusiasts seeking reliable, repeatable braking.
Power Stop 08-10 BMW 135i Rear Track Day Brake Kit