The Genuine BMW Side Window Seal Rear Left (E39) - 51348201061 is a high-quality replacement part for BMW E39 models. It is designed to seal and protect the rear left side window, preventing water and debris from entering the vehicle. This seal is made from durable materials and is an exact fit for the specified vehicle model. It is an authentic BMW product, ensuring reliable performance and longevity. This side window seal is essential for maintaining a secure and comfortable driving experience.