Stop guessing which pads go with which rotors. The Powerstop K4103 Brake Kit is a comprehensive, "bolt-on" performance upgrade that takes the stress out of a brake job. Designed for enthusiasts who demand more than just "standard" replacement parts, this kit provides a shorter stopping distance and better heat dissipation for those long mountain drives or heavy traffic scenarios. It’s the perfect balance between track-inspired technology and everyday street drivability, offering a firm pedal feel that inspires confidence from the moment you leave your driveway.
Key Features
Thermal Management: The drilled cooling holes significantly reduce rotor temperatures during extreme use, preventing "brake fade" when you need stopping power most.
Instant Bite: The Z23 pads are designed for a high coefficient of friction, meaning they grab effectively even when the brakes are cold.
Pre-Matched Components: Eliminates the risk of component mismatch; rotors and pads are engineered to work in perfect synchronization for even wear.
Corrosion Protection: The zinc-plated finish on the rotors ensures that the non-contact surfaces stay clean and professional-looking, resisting the typical "rusty rotor" eyesore.
Easy Installation: Designed as a direct bolt-on replacement for factory hardware, requiring no modifications to your calipers or brackets.
Specifications
Part Number: K4103
Number of Lugs: 5 Lug Rotors
Vented vs. Solid: Ventilated Front Rotors
Pad Friction Grade: GG Rated
Rotor Finish: Silver Zinc Plated
Hardware Material: Premium Stainless Steel
Intended Use: Daily Performance / Increased Stopping Power
This product is not eligible for Lifetime Replacement
Fits These Cars
MAKE
MODEL
SUBMODEL
ENGINE
Special Fitment Notes
BMW
All
328i
All
Fits 2007 BMW 328i Convertible or Wagon
BMW
All
328ic
All
Fits 2007 BMW 328i Convertible or Wagon
BMW
All
328xi
All
Fits 2007 BMW 328xi Coupe
*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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