This is a genuine BMW trim switch for the driver's side power window. It is black in color and has a part number of 51417318453. This switch is designed specifically for BMW vehicles and is a direct replacement for the original switch. It allows the driver to control the power window on the driver's side of the vehicle. This switch is made with high-quality materials and is built to the same specifications as the original switch for a perfect fit and function. It is an essential component for maintaining the convenience and functionality of the power windows in your BMW.