Genuine OEM Volkswagen Control Unit For Petrol Engine, part number 03C906024CN. This is the main electronic control unit for the petrol engine, responsible for managing fuel injection, ignition timing, and other critical engine functions. It is typically located within the engine bay. This unit has a weight of 0.465 kg and dimensions of 0.18m x 0.095m x 0.04m. Genuine OEM control units are essential for ensuring the correct firmware and sensor calibration, which is critical for reliable engine operation and emissions compliance.