Landrover Discovery 2.5 TDI Ag 122
ECU Remapping Lancaster
Landrover Discovery 2.5 TDI Ag 122 in Lancaster. 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 Discovery 2.5 TDI Ag 122: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+33 bhp · +27%- Standard122 bhp
- Remapped155 bhp
Torque
+65 Nm · +22%- Standard300 Nm
- Remapped365 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 Discovery 2.5 TDI Ag 122? Our figures show power up from 122 to 155 bhp (+27%) and torque up from 300 to 365 Nm (+22%), a stage 1 result you can book in Lancaster.
Treat the numbers as a guide: they are stage 1 estimates for a diesel Land Rover Discovery in sound condition, and individual cars differ.
Landrover Discovery 2.5 TDI Ag 122 power and torque after remapping
- Fuel: Diesel
- Standard power: 122 bhp, remapped: 155 bhp (+33 bhp, +27%)
- Standard torque: 300 Nm, remapped: 365 Nm (+65 Nm, +22%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel Land Rover Discovery
The gains from remapping a diesel come from the engine management software rather than new parts: injection, boost and torque limits are re-mapped, which is why torque improves most and why the car often feels easier to drive at lower revs.
Landrover Discovery 2.5 TDI Ag 122 against other Discovery engines
Among the 4 diesel Discovery engines we have figures for, the Landrover Discovery 2.5 TDI Ag 122 ranks 2nd for power gain, 2 bhp above the Discovery diesel average of 31 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 33 bhp and 65 Nm sits below that benchmark.
Remapping your Land Rover Discovery in Lancaster
Drivers in Lancaster book through the Lancaster Remap Experts site, one of our local sites across the UK. We regularly work with drivers in Millom, Ulverston, Seathwaite, Ravenglass and Grange-over-Sands and nearby areas of the North West.
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 Preston, Blackburn and Carlisle, those neighbouring Remap Experts sites can help too.

Ready for ECU remapping on your Land Rover Discovery in Lancaster?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Land Rover Discovery
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.
- 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