The Genuine BMW Bulb Socket Side Marker Light is a replacement part for BMW vehicles that allows for easy installation of a new side marker light bulb. This socket is specifically designed for use with the BMW 63136945319 side marker light and ensures a secure and stable connection for the bulb. It is made of high-quality materials and is an authentic BMW product, guaranteeing durability and compatibility with your vehicle. This bulb socket is an essential component for maintaining proper lighting on your BMW and ensuring safe driving.