Jaguar XKR-S 4.2i V8 Kompressor ECU Tuning File – Denso MB279700 (9W8Y-14C570-BNA) 14C570 Stage 1 

Change log

  • v1.0 — 2025-05-23
    • Stage 1 remap for 4.2L supercharged Jaguar V8
    • Denso MB279700 ECU (SW: 9W8Y-14C570-BNA)
    • Enhanced ignition & throttle calibration
    • Binary format with manual checksum handling
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Release notes

  • v1.0 — 2025-05-23
    • Performance improvement for Jaguar XKR-S (2008)
    • Supercharged engine tuned for mid-high range torque
    • Tiptronic compatibility retained
    • Flashable via Alientech Kess tools
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