Peugeot 806 2.0 HDi 109
ECU Remapping
Peugeot 806 2.0 HDi 109. 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
Peugeot 806 2.0 HDi 109: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+33 bhp · +30%- Standard109 bhp
- Remapped142 bhp
Torque
+55 Nm · +22%- Standard250 Nm
- Remapped305 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
Out of the box the Peugeot 806 2.0 HDi 109 gives 109 bhp and 250 Nm. Remapped across the UK, we record 142 bhp and 305 Nm, so 33 bhp and 55 Nm more, or 30% and 22% respectively.
These are indicative figures for a diesel Peugeot 806 in good health. Your own results depend on the condition of the car.
Peugeot 806 2.0 HDi 109: remap at a glance
- Fuel: Diesel
- Standard power: 109 bhp, remapped: 142 bhp (+33 bhp, +30%)
- Standard torque: 250 Nm, remapped: 305 Nm (+55 Nm, +22%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a diesel Peugeot 806
Nothing is bolted on in a diesel remap. The ECU's stored maps for injection quantity, rail pressure and turbo boost are rewritten within safe limits, and because diesels make power through torque, that is where the improvement is most obvious.
For reference, HDi is the PSA name for its high-pressure common-rail diesel engines.
Remapping your Peugeot 806 across the UK
Remap Experts is a UK network of local remapping sites. Use Find a Local Tuner to reach your nearest site and get an exact quote.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.

Ready for ECU remapping on your Peugeot 806?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Peugeot 806
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 806 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