This SHW 01-06 BMW M3 3.2L Rear Smooth Monobloc Brake Rotor is a high-performance, direct-fit replacement brake rotor designed for use on 01-06 BMW M3 3.2L models. It is made from a single piece of high-grade iron that has been machined and balanced for maximum precision and performance. This rotor is designed to provide superior braking performance, improved stopping power, and longer life than traditional rotors. It features a smooth monobloc design that eliminates vibration and noise, and is designed to provide superior cooling under high-load conditions. This rotor is an ideal upgrade for any BMW M3 3.2L.