Genuine OEM Audi Engine Control Unit, part number 05E906018ABGBS. This unit is responsible for managing various engine functions, including fuel injection, ignition timing, and emissions control. It is typically located within the engine bay. The unit weighs approximately 0.747 kg and has dimensions of 0.168m x 0.188m x 0.04m. Genuine OEM ECUs are programmed with the exact firmware and calibration data required for specific engine applications, ensuring optimal performance and reliability.