Stage 1 VW UP! 1.0 MPI ECU Tuning File – ME17.5.20 539939 (CMD Flash Export) 6809

Change log

  • v1.0 — 2025-05-25
    • Stage 1 tuning file for VW UP! 1.0 MPI
    • Bosch ME17.5.20 with software ID 539939
    • Adjusted throttle, fuel and torque mapping
    • Checksum verified via OLS807 v3.32
    • CMD Flash partial format​

Release notes

  • v1.0 — 2025-05-25
    • Stage 1 remap for Bosch ME17.5.20 platform
    • Suitable for urban use and improved daily performance
    • Validated checksum with WinOLS OLS807 plugin
    • Ready for flashing via CMD Flash or compatible tool​
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