The Genuine BMW Tail Light Assembly - 63217456518 is a replacement part for BMW vehicles. It is a complete assembly that includes the tail light housing, bulbs, and wiring. This product is an authentic BMW part, ensuring a perfect fit and high quality. It is designed to provide proper lighting and visibility for the vehicle's rear end, ensuring safety on the road. This assembly is compatible with specific BMW models and is a reliable choice for replacing a damaged or malfunctioning tail light.