Genuine OEM Volkswagen Engine Control Unit (ECU) Otto, part number 3G0906259G. This essential electronic control module manages various engine parameters, including fuel delivery, ignition timing, and emissions control, to ensure optimal performance and efficiency. It is a key component in the vehicle's powertrain management system. The unit weighs 0.815 kg, with dimensions of 0.185 m length, 0.18 m width, and 0.05 m height. Genuine OEM ECUs are specifically calibrated for your vehicle, ensuring seamless integration and reliable engine operation.