Stage 2 Audi A3 1.8 TFSI CJS ECU File – Software SC800H4100000 SIMOS18 (Decat + Pop&Bang + RPM Max) 8V0906264A

Change log

  • v1.0 — 2025-05-29
    • Stage 2 + Decat + Pop&Bang + Max RPM tune for CJS engine
    • Siemens SIMOS18 – software SC800H4100000
    • Includes decat calibration and lambda fault suppress
    • RPM limit extended
    • Read with KTAG as complete binary
    • No checksum correction applied​

Release notes

  • v1.0 — 2025-05-29
    • Designed for decat systems and enhanced sound
    • Pop&Bang activated in dynamic driving modes
    • Stable and responsive — suitable for DSG platforms with performance hardware​