The Genuine BMW Tail Light Housing Seal - 63217207500 is a high-quality rubber seal specifically designed for BMW vehicles. It is used to seal the tail light housing, ensuring a tight and secure fit. This seal helps to prevent water, dust, and debris from entering the tail light housing, protecting the light bulbs and electrical components inside. It is an essential component for maintaining the functionality and appearance of the tail lights on your BMW. This product is an authentic BMW part, ensuring the best fit and performance for your vehicle.