The Genuine BMW Reflector-Reflecting Foil (part number 63318363847) is a reflective foil used on BMW vehicles to improve visibility and safety on the road. This product is designed to be installed on the exterior of the vehicle, typically on the front and rear bumpers. The foil is made of high-quality materials and is specifically designed to fit BMW models. It is an essential component for ensuring the vehicle is visible to other drivers, especially in low light conditions. This product is an authentic BMW part and is recommended for use on BMW vehicles for optimal performance and compatibility.