This SHW 20-21 BMW X3 M 3.0L Left Front Cross-Drilled Lightweight Brake Rotor is designed to improve the performance of your BMW X3 M 3.0L. It features a lightweight design that reduces unsprung weight and enhances brake response. The rotor is cross-drilled for better cooling and improved pad bite. It also helps to dissipate heat more quickly during hard braking. This rotor is manufactured with high quality materials for maximum durability and long lasting performance.