Your Vehicle
Jaguar XJ 3.0 V6 SC Turbo 340hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Jaguar XJ 3.0 V6 SC Turbo 340hp: da 340 a 390HP
Remapping Jaguar XJ
MasterTuning develops remapping for Jaguar. La Jaguar XJ 3.0 V6 SC Turbo 340hp può passare da 340 HP a 390 HP con un incremento di 50 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Jaguar XJ 3.0 V6 SC Turbo 340hp
The Jaguar XJ 3.0 V6 SC Turbo 340hp is equipped with a petrol engine that produces 340 HP and 450 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Jaguar can achieve 390 HP (+15%) and 500 Nm (+11%).
Our Stage 1 tuning for the XJ 2009 -> delivers an impressive gain of +50 HP and +50 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code 306PS identifies this specific powerplant configuration. The Bosch MED17.8.31 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 340 HP from factory, this Jaguar XJ is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Jaguar XJ 3.0 V6 SC Turbo 340hp
Factory technical data for the Jaguar XJ 3.0 V6 SC Turbo 340hp (2009 ->), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | 306PS |
|---|---|
| ECU / Control unit | Bosch MED17.8.31 |
| Fuel | Petrol |
| Compression ratio | 10.5 |
| Bore × stroke | 84.5 X 89.0 mm |
| Stock power | 340 HP · 450 Nm |
| Remapped power (Stage 1) | 390 HP (+50) · 500 Nm (+50) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Jaguar XJ.
Frequently Asked Questions - Jaguar XJ
How much power can I gain from remapping my Jaguar XJ?
With MasterTuning Stage 1, your Jaguar XJ 3.0 V6 SC Turbo 340hp can gain +50 HP (from 340 to 390 HP) and +50 Nm of torque. This represents a 15% increase in power.
Which ECU does the Jaguar XJ 3.0 V6 SC Turbo 340hp use?
The Jaguar XJ 3.0 V6 SC Turbo 340hp uses the Bosch MED17.8.31 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Jaguar XJ 3.0 V6 SC Turbo 340hp?
The engine code of the Jaguar XJ 3.0 V6 SC Turbo 340hp is 306PS. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Jaguar XJ engine?
Yes, MasterTuning's remapping for the Jaguar XJ 3.0 V6 SC Turbo 340hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the 306PS engine.
Is the Jaguar ECU remapping reversible?
Absolutely. The original factory calibration of your Jaguar XJ is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Jaguar warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
Other Engines Jaguar XJ 2009 ->
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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