This product is a Genuine BMW Finisher Side Window Rear Left with a chrome finish. The part number is 51377317827. It is a high-quality replacement part for the left side rear window of a BMW vehicle. It is designed to fit and function just like the original part, ensuring a perfect fit and seamless integration with the vehicle's design. This finisher adds a sleek and stylish touch to the window, enhancing the overall appearance of the vehicle. It is made with durable materials to withstand daily wear and tear, providing long-lasting performance. This product is an authentic BMW part, ensuring the highest level of quality and reliability.