The SHW 2020 BMW X5 M 4.4L Left Rear Cross-Drilled Lightweight Brake Rotor (34208074285) is a high-performance brake rotor designed to improve braking power and reduce overall vehicle weight. It is made from lightweight aluminum alloy and features a cross-drilled design for improved heat dissipation. This brake rotor is specifically designed to fit the 2020 BMW X5 M 4.4L and is an OEM part. It is built to last and is backed by a 12-month warranty.