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New Tuning File Available: Jaguar XKR-S 4.2i V8 Kompressor Stage 1 ECU Tuning File – Denso MB279700 (9W8Y-14C570-BNA) 14C570 - Stage 1 tune for supercharged Jaguar 4.2 V8 with Denso MB279700 ECU — sharper throttle & increased torque
Welcome to the official discussion thread for the Jaguar 4.2i V8 Kompressor tuning package. This calibration is specifically developed for the MB279700 ECU and optimized to work seamlessly with the Tiptronic.
Target Performance: 416.0PS / 306.0KW.
Share your experience!
Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
➜ Download Tuning File / View Full Specs
Discussion & Reviews: Jaguar 4.2i V8 Kompressor
Welcome to the official discussion thread for the Jaguar 4.2i V8 Kompressor tuning package. This calibration is specifically developed for the MB279700 ECU and optimized to work seamlessly with the Tiptronic.
Target Performance: 416.0PS / 306.0KW.
Share your experience!Have you flashed this file? Drop your dyno graphs, 0-100 times, reviews, or ask any technical questions below!
Extended Product Information
- 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
➜ Download Tuning File / View Full Specs