The Genuine BMW Fog Light Bulb - 63217160785 is a replacement bulb specifically designed for BMW vehicles. It is used to illuminate the fog lights, providing improved visibility in foggy or low light conditions. This bulb is a genuine OEM (Original Equipment Manufacturer) part, ensuring high quality and compatibility with BMW models. It has a standard H11 base and is 12V 55W, making it easy to install and replace. This fog light bulb is an essential component for maintaining the safety and functionality of your BMW's fog lights.