High-performance Brembo Rear Brake Disc Kit (KTX0171) featuring Drilled UV Coated Rotors. This premium kit is designed for superior cooling, reduced brake fade, and enhanced corrosion resistance. This set is a complete axle replacement kit containing: 2x Brembo Drilled Brake Rotors (09.9173.1X) and 1x Performance Brake Pad Set with wear sensor compatibility. The UV coating provides a clean, silver finish that protects the non-friction surfaces from rust. Ideal for BMW 5-Series owners seeking OE-quality fitment with upgraded thermal performance and sport aesthetic.