Stage 1 Leon 1.4 TSI CZCA — MED17.5.25 006816 Bosch — Remap File 04E906027HB

Change log

  • v1.0 — 2025-06-15
    • Initial Stage 1 calibration for Bosch MED17.5.25 (SW 006816)
    • Boost, fuel, and ignition maps revised for improved performance
    • Optimized for the 1.4 TSI CZCA engine
    • Checksum integrity verified​
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Release notes

  • v1.0 — 2025-06-15
    • Package includes Original + Stage 1 binaries
    • Confirm ECU number 04E906027HB and software 006816 before flashing
    • Compatible with OBD tools supporting Bosch MED17.5.25 controllers, such as CMD
    • Designed for a mechanically stock vehicle
    • Intended solely for off-road or motorsport applications​
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