This product is a Genuine BMW Outer Weatherstrip designed for the Rear Left Door. It is made with a Gloss Black finish and has a part number of 51227897665. This weatherstrip is a high-quality and authentic replacement part for BMW vehicles. It is designed to provide a tight seal and protect the interior of the vehicle from outside elements such as rain, wind, and dust. This weatherstrip is specifically made for the left rear door and is an essential component for maintaining the overall integrity and function of the door.