This product is a genuine BMW heat insulation rear silencer for the right side of the vehicle. It is designed to provide insulation and protection for the rear silencer, which is part of the exhaust system. This product is specifically designed for BMW vehicles and has the part number 51487052466. It is made of high-quality materials to ensure durability and proper function. This heat insulation rear silencer is an important component for maintaining the performance and efficiency of the exhaust system in your BMW.