PowerStop Track Day Spec rear brake kit for 2001–2003 BMW 525i is a stage-oriented solution for serious track-day drivers and spec series racers. It pairs platform-specific high-temp friction material with OE-style rotors that are dynamically balanced, delivering reliable modulation and fade resistance during repeated high-heat laps. The kit includes necessary hardware and is intended as a direct-fit upgrade for track use.
Power Stop 01-03 BMW 525i Rear Track Day Spec Brake Kit