Landrover Defender TD5 122
ECU Remapping London
Landrover Defender TD5 122 in London. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Landrover Defender TD5 122: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+33 bhp · +27%- Standard122 bhp
- Remapped155 bhp
Torque
+80 Nm · +27%- Standard300 Nm
- Remapped380 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
What does a remap do for the Landrover Defender TD5 122? Our figures show power up from 122 to 155 bhp (+27%) and torque up from 300 to 380 Nm (+27%), a stage 1 result you can book in London.
Treat the numbers as a guide: they are stage 1 estimates for a diesel Land Rover Defender in sound condition, and individual cars differ.
Landrover Defender TD5 122: remap at a glance
- Fuel: Diesel
- Standard power: 122 bhp, remapped: 155 bhp (+33 bhp, +27%)
- Standard torque: 300 Nm, remapped: 380 Nm (+80 Nm, +27%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel Land Rover Defender
On a diesel the ECU decides how much fuel is injected and how hard the turbo works. A remap adjusts those calibrations within safe limits, so the gains show up mainly as extra torque low in the rev range and smoother, more responsive pull.
Landrover Defender TD5 122 against other Defender engines
Of the 3 diesel Defender engines in our data, this one comes 1st for power gain, which is 3 bhp above the Defender diesel average of 30 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 33 bhp and 80 Nm sits below that benchmark.
Book engine remapping for your Land Rover Defender in London
Drivers in London book through the London Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Hounslow, Watford, Sutton, Romford and Enfield and nearby areas of London.
Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.
If you are closer to Croydon, Kensingtonandchelsea and Essex, those neighbouring Remap Experts sites can help too.

Ready for ECU remapping on your Land Rover Defender in London?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Land Rover Defender
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.
Same model
Other Defender engines
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide