Genuine OEM Audi ECU with Software, part number 5Q0907541N. This control unit is responsible for managing distance control and radar detection systems within the vehicle. It processes sensor data to enable functions like adaptive cruise control and collision avoidance. The unit measures approximately 13 cm in length, 12 cm in width, and 8.5 cm in height, weighing 0.662 kg. Genuine OEM ECUs are essential for ensuring the correct firmware and sensor calibration, which is critical for the reliable operation of advanced driver assistance systems.