This is a Genuine BMW Cover Strip designed for the rear left side of the vehicle. It is black in color and has a part number of 51479124735. This cover strip is made by BMW and is an authentic replacement part for your vehicle. It is used to cover and protect the rear left side of the vehicle, providing a sleek and seamless appearance. This cover strip is made with high-quality materials and is designed to fit perfectly on your BMW. It is a durable and reliable product that will help maintain the overall look and functionality of your vehicle.