Genuine OEM Volkswagen Engine Control Unit, part number 03C906027BS5K0. This control unit is responsible for managing the petrol engine's various functions, including fuel injection, ignition timing, and emissions control. It is a critical component for the engine's operation and performance. The unit has dimensions of 0.182m x 0.167m x 0.04m and weighs 0.644kg. Genuine OEM engine control units are manufactured to exact specifications, ensuring proper integration with the vehicle's systems and maintaining factory-set performance parameters.