The Genuine BMW Cover Column B Door Rear Left - 51357317797 is a part designed for the rear left door of a BMW vehicle. It is a cover that fits over the B column of the car's body, providing protection and a clean appearance. This cover is an authentic BMW product, ensuring quality and compatibility with the vehicle. It is made from durable materials and is designed to match the original specifications of the car. This cover is an essential component for maintaining the integrity and appearance of a BMW vehicle.