This Stage 1 ECU calibration is designed for the 2011 Audi A6 3.0 V6 BiTDI CR with CGQB engine and automatic transmission. Running on Bosch EDC17_CP44 with Software ID 522990, this tuning file boosts torque delivery and throttle response while maintaining stock emission controls. Ideal for performance-focused daily drivers wanting BiTDI punch without compromising drivability or hardware integrity.