Jaguar Xj X351 2010 remap
Petrol · Flash via OBD · Figures published for this engine · Remote remap available UK-wide from £199
Is a remap worth it on the Jaguar Xj X351 2010?
The gain is small on this engine. Most owners remap it for throttle response and economy rather than power.
What each stage needs
| Stage | Power | Torque | Hardware |
|---|---|---|---|
| Standard | 335 bhp | 450 Nm | None |
| Stage 1 | 360 bhp | 481 Nm | Software only |
| Stage 2 | 405 bhp | 488 Nm | Uprated intercooler, high-flow intake, sports catalyst |
Risk on this engine: low
- Conservative 7% gain: well within ECU safety margins.
- Naturally aspirated: lower mechanical risk. Gains from timing and fuelling optimisation.
How to keep the risk down
- Use RON 97+ fuel to maximise timing advance.
- Keep a copy of the original ECU file before flashing.
Remote remap for your Jaguar Xj X351 2010: Stage 1 from £199
No trip to a workshop. ORCA Remapping, part of the same company as BeakCheck, tunes your car's own ECU file and sends it back, UK-wide.
| Service | Price | Needs |
|---|---|---|
| Stage 1 Remote | £199 | Standard car, software only. 360 bhp and 481 Nm on this engine. |
| Stage 2 Remote | £299 | Uprated intercooler, high-flow intake, sports catalyst already fitted. 405 bhp and 488 Nm. |
| Diagnostic file analysis | £49 | Read-only check of the existing file: detects a previous tune before you buy a used car. |
Paid up front on orcahq.co.uk once ORCA confirms your engine and tool. Or ask first, no obligation:
Questions owners ask
How much power does a Jaguar Xj X351 2010 gain from a remap?
A Stage 1 remap adds about 25 bhp and 31 Nm, taking it from 335 to 360 bhp. Stage 1 is software only.
Is it safe to remap a Jaguar Xj X351 2010?
Remap risk is rated low (1/10). Conservative 7% gain: well within ECU safety margins. Use RON 97+ fuel to maximise timing advance.
Does a remap affect the MOT or insurance on a Jaguar Xj X351 2010?
A remap does not affect the MOT test, which does not read the ECU calibration. It is a modification for insurance purposes and must be declared to your insurer; most mainstream insurers accept a declared Stage 1 with a premium adjustment.
How is a Jaguar Xj X351 2010 remapped?
Through the OBD diagnostic port in the cabin. The original file is read and saved first, then the modified calibration is written. Typically under two hours.
Check your exact car by registration
Free DVLA and MOT check, plus the remap verdict for the engine actually fitted to your car.
Other Jaguar engines
Remapping guides
Power figures are published Stage 1 and Stage 2 results for this engine and are a guide. Actual gains depend on the car's condition, fuel and the map used. BeakCheck and ORCA Remapping are trading names of Bloor Engineering Ltd.