The product is a Rear Left Driver Side Tail Light Lamp Cover for a 03-08 BMW Z4 E85 model. This OEM part by BMW includes a red light with a black housing, featuring halogen technology for optimal visibility. The tail light assembly is designed with a mounting style using screws, making it easy to install on the vehicle. The package also includes bulbs and operates at a voltage of 12V, ensuring proper functionality. Perfect for those looking to replace their tail light cover with a genuine BMW part, this product offers quality and performance for the Z4 model.