Peugeot 605 2.1 TD 109
Remapping in Midwales
Peugeot 605 2.1 TD 109 in Midwales. 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 605 2.1 TD 109: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+33 bhp · +30%- Standard109 bhp
- Remapped142 bhp
Torque
+65 Nm · +28%- Standard235 Nm
- Remapped300 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
Owners of the Peugeot 605 2.1 TD 109 in Midwales can expect a stage 1 remap to take it from 109 to 142 bhp and from 235 to 300 Nm, an extra 33 bhp (30%) and 65 Nm (28%).
The figures above are estimates for a standard, well-maintained Peugeot 605 diesel; they are not a guarantee of any particular result.
Peugeot 605 2.1 TD 109: remap at a glance
- Fuel: Diesel
- Standard power: 109 bhp, remapped: 142 bhp (+33 bhp, +30%)
- Standard torque: 235 Nm, remapped: 300 Nm (+65 Nm, +28%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel Peugeot 605
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.
How the Peugeot 605 2.1 TD 109 compares
Of the 2 diesel 605 engines in our data, this one comes 1st for power gain, which is exactly the 605 diesel average.
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 Peugeot 605 in Midwales
Remap Experts Midwales is part of the UK-wide Remap Experts network. We regularly work with drivers in Llanidloes, Welshpool, Newtown, Machynlleth and Llandrindod Wells and nearby areas of Wales.
Each remap is dyno tested before it is signed off, and is protected by a 30 day money back guarantee and a lifetime software warranty. Ask for a quote online or by phone.
If you are closer to Gwent, Cardiff and Chester, those neighbouring Remap Experts sites can help too.

Want these figures on your Peugeot 605 2.1 TD 109?
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Peugeot 605
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 605 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