Jaguar XJ ECU Remapping & Engine Tuning
We have remap figures for four Jaguar XJ engines. Petrol engines gain +8% to +12% power and diesels +14% to +16%. The largest bhp increase is on the XJ 3.0 SC: 335 to 377 bhp (+42 bhp, +12%). Book your XJ in at our Burnley workshop on 01282 779 000, or find a local dealer.
Speak to an ECU Remapping Expert
Contact Us14 Day ECU Remapping Money Back Guarantee!
WarrantyGot a Question about ECU Remapping & Tuning?
View FAQs| Jaguar XJ | Original BHP | Remapped BHP | Original Torque (Nm) | Remapped Torque (Nm) |
|---|---|---|---|---|
| 2.7 D 207 BHP 2002-2007 | 207 | 241 (+16%) | 435 | 495 (+13%) |
| 3.0 SC 335 BHP 2010 - present | 335 | 377 (+12%) | 450 | 503 (+11%) |
| 3.0 SDV6 270 BHP 2010 - present | 270 | 310 (+14%) | 600 | 650 (+8%) |
| 5.0 SC 510 BHP 2010 - present | 510 | 552 (+8%) | 625 | 697 (+11%) |
Frequently asked questions
How much power does a remap add to a Jaguar XJ?
Petrol engines gain +8% to +12% power and diesels +14% to +16%. The full figures for each engine are in the table above.
How much extra torque does a remap give a Jaguar XJ?
Torque gains range from +8% to +13%, an extra 50 to 72 Nm depending on the engine.
Which XJ engine gains the most from a remap?
The XJ 3.0 SC gains the most: 335 to 377 bhp (+42 bhp, +12%). Torque rises from 450 to 503 Nm (+11%).
Where can I get my XJ remapped?
Book it in at our workshop in Burnley, Lancashire, on 01282 779 000, or find a local remap dealer in our dealer directory.
How we develop your remap
Our remaps are developed in-house at our facility in Lancashire, and cars are developed on our Dynojet 424xLC² dyno. Read more about dyno tuning at BHP UK.
Related:Petrol ECU tuning · Diesel ECU tuning · All Jaguar remaps · Jaguar XF · Jaguar XFR · Jaguar XK · Jaguar XKR
Our Products & Services
All of our software, programming and tuning services are designed and built in-house and are designed to enhance your vehicle and bring out it’s pure & true performance potential.
© 2011 - 2026 BHP UK. All rights reserved.