The Genuine BMW Bumper Guard Primed Rear Left - 51127043367 is a protective cover for the left side of the rear bumper of a BMW vehicle. It is made of high-quality materials and is designed to fit perfectly onto the bumper, providing an extra layer of protection against scratches, dings, and other minor damages. The bumper guard comes primed, which means it is ready to be painted to match the color of the vehicle. This product is an authentic BMW part and is specifically designed for the left side of the rear bumper. It is a durable and reliable accessory that helps to maintain the appearance and value of your BMW.