This product is a Genuine BMW Side Window Fixed Black Rear Right (Ssg) with the part number 51377317774. It is a fixed window panel that is designed to fit on the right side of the vehicle. The window is black in color and is made from high-quality materials to ensure durability and a perfect fit. This product is an original BMW part and is compatible with specific models of BMW vehicles. It does not have any movable parts and is designed to provide a sleek and seamless appearance on the vehicle.