This SHW 20-21 BMW X3 M 3.0L Right Rear Cross-Drilled Lightweight Brake Rotor (34118054828) is an ideal upgrade for your BMW X3 M. It is designed to provide superior stopping power and improved heat dissipation, while also reducing unsprung weight. It features cross-drilled holes for improved cooling and reduced brake fade, as well as a lightweight construction for improved acceleration and handling. This brake rotor is a direct replacement for the original factory part and is backed by a limited lifetime warranty.