This is a genuine VAG (Volkswagen Auto Group) Engine Control Unit (ECU) with part number 04E906057BQ. Designed specifically for petrol engines, this control unit is a critical component responsible for managing various engine functions. It plays a vital role in regulating fuel injection, ignition timing, emissions control, and overall engine performance. By precisely controlling these parameters, the ECU ensures your engine runs efficiently, delivers optimal power, and meets emission standards. Replacing a faulty or outdated control unit with this genuine VAG part will help restore your vehicle's performance, improve fuel economy, and ensure reliable operation. It is manufactured to meet the high-quality standards expected from VAG components.