This Stage 1 ECU firmware is developed for the 2007 Audi A3 2.0 TDI PD (Pumpe-Düse) platform, managed by Bosch EDC16. Designed to increase low-end and mid-range torque while keeping injection timing and fuel delivery within OEM-safe margins, the file offers improved acceleration and throttle feedback for vehicles with a 6-speed manual transmission. Suitable for street or dyno tuning purposes.