Jaguar XJ 3.0 V6 SC Turbo 340hp Remap
Expected gains of +50 BHP and +50 Nm torque
Get Your Free Quote ↓BHP+50 hp (15%)
Standard
340 hp
Tuned
390 hp
Torque+50 Nm (11%)
Standard
450 Nm
Tuned
500 Nm
Suitability
Good (6/10)Gains Profile
Power-focusedHeadroom
MediumJaguar XJ 3.0 V6 SC Turbo 340hp ECU Remapping
Considering an ECU remap for your Jaguar XJ 3.0 V6 SC Turbo 340hp? A Stage 1 remap can take this 2009 -> petrol engine from 340 BHP to 390 BHP and from 450 Nm to 500 Nm of torque (turbocharged). This engine scores 6/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Jaguar XJ can achieve.
How this engine compares
- 2ndof 10 Jaguar XJ engines by power gain
- 76%of the 9,842 engines we hold gain data for see a smaller power increase
- 27%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Jaguar XJ 3.0 V6 SC Turbo 340hp is a 3.0L turbocharged petrol engine producing 340 BHP and 450 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 390 BHP and 500 Nm — a gain of around 50 BHP (15%) and 50 Nm (11%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted). at this torque level, transmission and driveline servicing history becomes especially important..
Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!Turbo petrol: fuel quality and cooling can influence repeatable performance.
!High tuned torque: check transmission torque capacity and service history.