At Turner Motorsport, we know that the xDrive-equipped E9X 3-Series is a fantastic "do-it-all" machine, but the factory braking system can often feel underwhelming once you start pushing the car’s limits. Whether you’re navigating a canyon pass or dealing with heavy highway traffic, brake fade is the enemy. The PowerStop K4102-26 Z26 Street Warrior Kit is the solution for the 328xi owner who wants a significant upgrade in thermal capacity without moving to a prohibitively expensive Big Brake Kit (BBK).
The heart of this kit lies in the Z26 Carbon-Fiber Ceramic pads. This isn't your typical parts-store ceramic; the carbon-fiber infusion allows the pad to maintain a stable friction coefficient at much higher temperatures than OEM equipment. This means more consistent "bite" during repeated hard stops.
Pairing these pads with PowerStop’s Drilled and Slotted rotors completes the performance transformation. The precision-machined holes act as escape routes for heat, significantly reducing the risk of rotor warping, while the slots constantly "clean" the pad surface to ensure gas and dust don't build up between the friction surfaces. Finished in a silver zinc plating to prevent that unsightly "rusty hub" look behind your wheels, this kit provides the perfect balance of aggressive aesthetics and motorsport-derived functionality. For the BMW enthusiast who demands a firm pedal and reliable stopping power, this is the definitive front-end refresh.
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Product Q&A
Lifetime Replacement
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
E90
328xi
N52 3.0L
Use vehicle selector to confirm fitment
BMW
E91
328xi
N52 3.0L
Use vehicle selector to confirm fitment
*The above product applications have been written by Turner Motorsport. All
warranties, product application, fitment, and performance are the responsibility of Turner Motorsport.
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