Genuine OEM Audi Onboard Network Control Unit, part number 5WA937086R. This control unit is responsible for managing the vehicle's complex electrical network and internal communication systems. It plays a vital role in the operation of various electronic features. The part weighs 0.424 kg and has dimensions of 0.2m x 0.18m x 0.04m. Genuine OEM control units are essential for ensuring correct firmware, calibration, and seamless integration with other vehicle systems.