The Audi TT VW Golf 1.8T BAM Engine ECU 8N0 906 018 CG is an Engine Control Unit designed for vehicles with the BAM engine. Manufactured by Audi, this ECU is compatible with VW Golf models and is part number 8N0906018CG. This ECU has been upgraded to Stage One, which may provide enhanced performance and tuning capabilities for the engine. It is a crucial component for managing the engine's functions and ensuring optimal performance in the vehicle.