PowerStop Track Day rear brake kit for 2015–2016 BMW 328i xDrive is a Stage 1 solution aimed at weekend track-day drivers, pairing Track Day pads with Autospecialty rotors for improved fade resistance and consistent pedal feel during spirited use. Kits are data-driven and tested for thermal stability; rotors are dynamically mill-balanced for smooth operation and the compound offers higher friction as temperatures rise for reliable lap-to-lap performance.
Power Stop 15-16 BMW 328i xDrive Rear Track Day Brake Kit