Genuine OEM Audi Engine Control Unit, part number 4E1910560J. This unit is the brain of the engine, responsible for managing all critical functions and performance parameters. It is typically located within the engine bay or a protected compartment. The unit has dimensions of 0.185m length, 0.17m width, and 0.04m height, with a weight of 0.782 kg. Genuine OEM engine control units are essential for maintaining the precise calibration and firmware required for optimal engine performance and longevity.