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.
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