Stage 1 Audi A4 2.0 TFSI ECU Firmware – 8E0907115D / 387481 / SW 0030 (MED9.1) 0261S02362

Change log

  • v1.0 — 2025-05-30
    • Stage 1 created for MED9.1 / 387481
    • Boost and ignition maps reworked for better load response
    • Pedal sensitivity and driver request calibrated
    • No emissions modifications included​

Release notes

  • v1.0 — 2025-05-30
    • Tuned for Audi A4 2.0 TFSI (2006)
    • Smooth throttle and linear power band for improved drivability
    • Optimized for track testing and performance workshops​