Audi 2.0 TFSI Bosch 0261S02521 73890758E19 389075 custom stage 1

This product contains a calibrated Stage1 tuning file for Audi 2.0 TFSI with Bosch 0261S02521 and software ID 73890758E19 (Bosch software number 389075 ( 1037389075 )). This Stage 1 calibration is designed for stock hardware, offering a safe and reliable increase in power and torque for daily use.

All ECU tuning files from TUNING-DATABASE are prepared for professional use. They are useful whenever you search by ECU ID, hardware or software number such as 0261S02521, 73890758E19, 389075 (1037 + SW code). Use this file for diagnostics, cloning, recovery or as a base for custom remapping.