The ATE Brake Products SP20191 ATE Coated Single Pack Rear Disc Brake Rotor is a high-quality brake component designed specifically for BMW vehicles. This rotor features a vented style and a rust-resistant coating, ensuring optimal performance and durability. With a discard thickness of 18.4mm and an inside diameter of 185.00mm, this rotor is a reliable choice for maintaining the safety and efficiency of your vehicle’s braking system. The manufacturer part number SP20191 helps ensure compatibility and authenticity, making it a trusted choice for car and truck owners looking to replace or upgrade their brake rotors.