This product is a genuine BMW outside mirror covering cap, which is used to cover the mirror on the exterior of the vehicle. It is painted in the color Rig. (Ferric Grey Ii) and has a part number of 51168054978. This cap is specifically designed for BMW vehicles and is an authentic replacement part. It is made with high-quality materials and has been painted to match the original color of the vehicle. This product is durable and provides a sleek and finished look to the exterior of the vehicle. It can be used on either the driver or passenger side mirror.