Stage 3 Audi S3 2.0 TFSI ECU File – 8P0907115H / 387951 / MED9.1 (Multi-Stage Tune incl. LO380) 0261S02342

Change log

  • v1.0 — 2025-06-01
    • Stage 1, 2, and 3 calibrations for S3 2.0 TFSI (MED9.1)
    • Stage 3 mapped specifically for LO380 turbo upgrade
    • Boost & ignition fully adjusted per stage logic
    • Torque limiter and fuel maps reworked
    • Based on software version 387951 and ECU 8P0907115H​

Release notes

  • v1.0 — 2025-06-01
    • Complete 3-stage tuning bundle for Audi S3 2.0 TFSI
    • Stage 1–2 for bolt-on mods; Stage 3 for LO380 builds
    • Designed for tuning flexibility across various hardware setups
    • Recommended fuel: 98 RON / 93 Octane
    • Flash-ready binary files for tuning tools supporting MED9.1​
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