The Genuine BMW Xenon Headlight Control Unit - 63117182520 is a high-quality, OEM replacement part for BMW vehicles. It is designed to control the operation of the xenon headlights, ensuring proper functionality and performance. This control unit is made from durable materials and is specifically designed to fit and function like the original part. It is an essential component for maintaining the proper functioning of the vehicle's headlights and ensuring safe driving conditions. This product is a genuine BMW part, ensuring reliability and compatibility with the vehicle.