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Stage 1 ยท Petrol

Jaguar XF (X250) 2008-2015 3.0 V6 S/C 335bhp remap figures

Thinking of remapping a Jaguar XF 3.0 V6 S/C 335bhp? The standard car makes 335bhp and 450Nm; with a Stage 1 remap from our Leicester workshop we expect around 365bhp and 486Nm, up to +30bhp and +36Nm.

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Stage 1 remap figures

A Stage 1 remap is a software-only change to the ECU on an otherwise standard car. It needs no extra parts, which makes it the usual starting point.

StockVanguard expectedExpected gain, up to
Power335 bhp365 bhp+30 bhp
Torque450 Nm486 Nm+36 Nm

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All maps at a glance

MapPowerTorqueExpected gain, up to
Stock335 bhp450 Nm
Stage 1Maximum software-only performance365 bhp486 Nm+30 bhp
+36 Nm
Stage 1 EcoPerformance with economy in mind358 bhp483 Nm+23 bhp
+33 Nm
Eco mapEconomy first355 bhp481 Nm+20 bhp
+31 Nm

Who is the Stage 1 map for?

  • Drivers who want a sharper throttle and a small, honest gain from software alone.
  • Owners who would rather keep the car standard in every other way.
  • Anyone who wants the fullest software-only map for this engine, accepting that the gain is modest without a turbocharger.

What this means for your XF

Naturally aspirated petrol engines have no boost to raise, so gains from software alone are more modest than on a turbocharged car and come from fuelling, ignition and throttle response.

Engine management is by a Bosch MED17.8.3 unit. We read the ECU on your car and compare it with the software listed here before any work starts, so you know what to expect before you commit.

We remap at our Belgrave Gate workshop in Leicester, or at your home or work within 30 miles, and every job starts with a diagnostic check.

Please note: these are expected figures, not guarantees. Real results vary with the condition of the vehicle, the ECU software version, fuel quality and the hardware fitted. Some options - including Stage 2 and anything that needs extra hardware - are for off-road or competition use only. We check every vehicle first and confirm what is achievable before any work starts.

Figures reviewed 22 October 2026.

Stage 1 questions

How much power does the Stage 1 map give the Jaguar XF 3.0 V6 S/C 335bhp?

We expect 365bhp and 486Nm against 335bhp and 450Nm as standard: up to +30bhp and +36Nm. These are expected figures, and we confirm what is achievable on your own car after a diagnostic check.

Does a Stage 1 remap need any extra parts on the Jaguar XF 3.0 V6 S/C 335bhp?

No. Stage 1 is a software-only change to the ECU on an otherwise standard car.

Is there a gentler map than Stage 1 for this engine?

Yes, two. Stage 1 Eco is performance with economy in mind: 358bhp and 483Nm expected. The Eco map is economy first: 355bhp and 481Nm. Both still sit above the standard 335bhp and 450Nm.

Do I need to tell my insurer about a remap?

Yes. A remap is a modification, so you should declare it to your insurer.