The Genuine BMW Back Glass Sunshade Bump Stop Kit (part number 51466979919) is a set of bump stops designed to be used with the back glass sunshade on BMW vehicles. These bump stops help to secure the sunshade in place and prevent it from rattling or moving while the vehicle is in motion. Made from high-quality materials, this kit is an authentic BMW product and is specifically designed to fit and function perfectly on compatible BMW models. The kit includes all necessary components for installation and is a reliable solution for maintaining the functionality of the back glass sunshade.