Genuine OEM Volkswagen Control Unit, part number 04E906027DC. This electronic control module is designed for petrol engines, managing critical functions like fuel injection, ignition timing, and emissions control. It is a key component within the engine management system. The unit is approximately 0.185m long, 0.15m wide, and 0.055m high, weighing 0.623kg. Genuine OEM control units are vital for ensuring correct firmware, sensor calibration, and reliable engine operation.