The Genuine BMW Window Guide Web Cover Right (Black) - 51357044190 is a replacement part for BMW vehicles. It is a black cover that fits over the window guide web on the right side of the vehicle. This cover helps to protect the window guide and keep it in place. It is a genuine BMW product, ensuring high quality and a perfect fit for your vehicle. This cover is designed to be durable and long-lasting, providing reliable performance for your BMW. It is an essential component for maintaining the proper function of your car's windows.