Tailored for the 2015 Audi A4 2.0 TDI CR with CJCC engine and Bosch EDC17_C46 ECU, this Stage 1 file enhances throttle response and low-end torque without altering emissions components. The file is calibrated for a 6-speed manual transmission and offers a smooth yet powerful driving experience suitable for street or dyno environments. Developed using CMD Flash tool and tested on dyno.