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

Stage 1 tune for supercharged Jaguar 4.2 V8 with Denso MB279700 ECU — sharper throttle & increased torque
Jaguar XKR-S 4.2i V8 Kompressor ECU Tuning File – Denso MB279700 (9W8Y-14C570-BNA)
This Stage 1 tuning file enhances the iconic 2008 Jaguar XKR-S 4.2i V8 Kompressor, using the Denso MB279700 ECU (SW: 9W8Y-14C570-BNA). Designed for Tiptronic models, this calibration improves throttle precision, delivers a broader torque band, and sharpens performance under supercharged load. Supplied as a full binary for direct flashing via Alientech Kess.
Modified By
Dyno Chiptuningfiles via EVC reseller (dyno-chiptuningfiles.com) 🇳🇱 The Netherlands

Overview Feature list Copyright info Releases (1) Discussion

  • Stage 1 performance remap for Jaguar XKR-S 4.2i V8 Kompressor
  • Denso MB279700 ECU with SW: 9W8Y-14C570-BNA
  • Throttle sensitivity and ignition timing refined for sharper response
  • Torque curve optimized for supercharged mid-range pull
  • Tiptronic gearshift logic remains untouched for OEM stability
  • No hardware modifications required
  • Delivered as a complete binary file for Alientech Kess flashing
  • Checksum left blank — correct manually during WinOLS build
  • Intended for motorsport/off-road use — verify local compliance

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