This product is a genuine BMW brake disc with the part number 34118854273. It is designed and manufactured specifically for BMW vehicles and is used to provide braking power and control. The brake disc is an essential component of the braking system, working in conjunction with the brake pads to slow down and stop the vehicle. It is made of high-quality materials and meets the strict standards set by BMW for safety and performance. This brake disc is a reliable and durable choice for maintaining the braking system of a BMW vehicle.