Skip to content
Remap Experts. Tuning you can trust

Range Rover Sport 4.2 V8 Kompressor 390
ECU Remapping

Range Rover Sport 4.2 V8 Kompressor 390. Standard and remapped figures for this exact engine.

+36 bhpPower gain
+55 NmTorque gain
426 bhpRemapped power
Land Rover logo
  • Fully dyno tested remaps
  • 30 day money back guarantee
  • Lifetime software warranty
  • UK-wide local network

Remap stats

Range Rover Sport 4.2 V8 Kompressor 390: standard vs remapped

Petrol engine. Indicative stage 1 figures, fully dyno tested.

Power

+36 bhp · +9%
Standard390 bhp
Remapped426 bhp

Torque

+55 Nm · +10%
Standard550 Nm
Remapped605 Nm

Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.

Prices from £130

Fully dyno tested | 30 day money back guarantee | Lifetime software warranty

Get your quote

Looking for ECU remapping for your Range Rover Sport 4.2 V8 Kompressor 390? Standard it makes 390 bhp and 550 Nm. With a stage 1 remap our figures show 426 bhp and 605 Nm, an extra 36 bhp (9%) and 55 Nm (10%).

Figures are indicative stage 1 estimates for a healthy petrol Land Rover Range Rover Sport; results vary with the condition of the vehicle.

Range Rover Sport 4.2 V8 Kompressor 390: remap at a glance

  • Fuel: Petrol
  • Standard power: 390 bhp, remapped: 426 bhp (+36 bhp, +9%)
  • Standard torque: 550 Nm, remapped: 605 Nm (+55 Nm, +10%)
  • Service: stage 1 ECU remap, fully dyno tested

How ECU remapping works on a petrol Land Rover Range Rover Sport

Factory petrol calibrations leave margin for poor fuel and hot climates. A remap tunes the ignition, fuelling and boost maps to make better use of that margin, which shows up as livelier throttle response and stronger acceleration.

Range Rover Sport 4.2 V8 Kompressor 390 against other Range Rover Sport engines

Among the 2 petrol Range Rover Sport engines we have figures for, the Range Rover Sport 4.2 V8 Kompressor 390 ranks 1st for power gain, 2 bhp above the Range Rover Sport petrol average of 34 bhp.

Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 36 bhp and 55 Nm sits at or above that benchmark.

Remapping your Land Rover Range Rover Sport across the UK

Our network covers the whole of the UK through local Remap Experts sites. Find your area to get a quote from a specialist near you.

You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.

Want these figures on your Range Rover Sport 4.2 V8 Kompressor 390?

Send your registration and we will confirm the exact remap, the price and the next available slot.

Included

What we can do for your Land Rover Range Rover Sport

  • Stage 1 ECU remap

    Add power and torque and improve driveability. Software only, tailored to your engine.

  • ECU repair and testing

    Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.

  • DPF and EGR fault repair

    Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.

  • Engine carbon cleaning

    Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.

From quote to remapped in four steps

No jargon and no pressure. Here is exactly what happens.

  1. 01

    Find your vehicle

    Choose your make, model and engine to see the standard and remapped power and torque for your car.

  2. 02

    Request a quote

    Send your details and we contact you by SMS or call back with a quote. No obligation.

  3. 03

    Book with your local site

    Your local Remap Experts site arranges the remap and answers any questions about your car.

  4. 04

    Remapped and dyno tested

    Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.

Get your quote

Ready to unlock your engine?

Tell us about your vehicle and we will contact you by SMS or call back with a quote. No obligation.

  • Fully dyno tested remaps
  • 30 day money back guarantee
  • Lifetime software warranty
0800 779 7864

Prefer to talk? Call now to find out more.

Call 0800 779 7864Get a quote