The Genuine BMW Finisher Window Frame Top Door Rr Lt (Gloss Black) - 51357185237 is a high-quality replacement part for BMW vehicles. It is designed to fit the rear left door and has a glossy black finish. This finisher is used to cover the top part of the window frame, providing a sleek and polished look to the car's exterior. It is an official BMW product, ensuring a perfect fit and reliable performance. This finisher is made from durable materials and is built to withstand the elements, providing long-lasting use. It is a genuine OEM part and is an ideal choice for those looking to maintain the original aesthetics of their BMW.