Stage 2 Audi S5 3.0 TFSI ECU File – Simos8.4 S8400H3000000 / 0005 (Optimized Performance) 8K0907551

Change log

  • v1.0 — 2025-06-01
    • Stage 2 mapping for S8400H3000000
    • Adjusted torque limiter, airflow model and throttle maps
    • Dyno verified with performance exhaust and intake
    • Eprom 8-bit checksum: E5F3​

Release notes

  • v1.0 — 2025-06-01
    • Designed for use with performance upgrades (intake/exhaust)
    • Enhances responsiveness and driving dynamics
    • Safe for daily performance use with premium fuel​

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