The Brembo Brake Rotor 09.B570.1X is designed to be a direct-fit replacement for BMW vehicles. It is designed to offer superior braking performance and long-lasting durability. This rotor is made of high-carbon steel and is drilled to be compatible with other part numbers 34106787490 and 34106879122. The anti-corrosion coating helps preserve its longevity even under extreme conditions. The rotor is designed to handle the heat generated by extended periods of heavy braking. With its superior performance and high-quality construction, this rotor is an excellent choice for your BMW. Shop around for the best price.