Stage 2 Focus ST 2.0T HYDA — ME9.0 393284 Bosch — ECU Files 0261209048

Change log

  • v1.0 — 2025-07-29
    • Initial release of a high-performance Stage 2 calibration for the Focus ST 2.5T (Bosch ME9.0).
    • Specifically calibrated for cars with 550cc injectors and running on 102 RON fuel.

Release notes

  • v1.0 — 2025-07-29
    • Package includes Original + Stage 2 binaries.
    • Confirm ECU number 0261209048 and software 393284 before flashing.
    IMPORTANT: Requires significant hardware upgrades (550cc injectors, full high-flow exhaust, intercooler, etc.) for correct operation.
    FUEL REQUIREMENT: This tune is calibrated for 102 RON fuel ONLY. Using lower octane fuel can cause engine damage.
    • For off-road or competition use ONLY.​
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