This comprehensive ECU package for the 2009 Audi A4 2.7 V6 TDI CR (CGKA) includes three separate binary files: Stage 1 for 6-speed manual gearbox, Stage 1 for Multitronic8, and Stage 2 with DPF-off. Built on the Bosch EDC17_CP14 platform, these calibrations optimize torque delivery, throttle feel, and boost control. Whether you're tuning for OEM+ drivability or emissions-free track use, this file pack has the flexibility to match.