Genuine OEM Audi Headlamp Control Unit, part number 4K0941591BJ. This electronic module is responsible for managing the intricate operation of the vehicle's front headlamps, controlling various lighting functions and ensuring optimal illumination. It is positioned within the front headlight assembly. Weighing approximately 0.391 kg, this unit is designed for seamless integration. Opting for a genuine OEM control unit guarantees correct firmware, sensor calibration, and electrical compatibility, which are crucial for the safety and performance of the lighting system.