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

Audi A3 1.8 TFSI Stage 2 file with Pop&Bang, Decat, RPM limit raised – SIMOS18, SW SC800H4100000
Audi A3 1.8 TFSI Stage 2 file with Pop&Bang, Decat, RPM limit raised – SIMOS18, SW SC800H4100000
audi-tuning-ecu
Advanced Stage 2 tuning file for Audi A3 1.8 TFSI CJS engine (2015, DSG), based on Siemens SIMOS18 ECU with software ID SC800H4100000. Includes decat (no post-cat lambda), raised rev limiter, and Pop&Bang functionality in Sport mode. Designed for performance setups with downpipe/exhaust modifications. Full binary file read via Alientech KTAG.
Modified By
Dyno Chiptuningfiles via EVC reseller (dyno-chiptuningfiles.com)

Overview Feature list Copyright info Releases (1)

  • Stage 2 ECU tuning for Audi A3 1.8 TFSI (CJS, SIMOS18, DSG)
  • Software version SC800H4100000 – full binary read
  • Pop & Bang (overrun burbles) enabled in Sport mode
  • Decat logic applied (post-cat lambda and DTCs disabled)
  • Rev limiter increased for wider powerband
  • Fuel, torque, and ignition maps optimized for performance hardware
  • Checksum not calculated — external validation required
  • Includes original + all tuning versions
  • Readout via Alientech KTAG — flash-ready
  • For off-road or motorsport vehicles with decat exhaust systems

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