Citroen C5 HDi 1.6 90
ECU Remapping
Citroen C5 HDi 1.6 90. 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
Citroen C5 HDi 1.6 90: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +39%- Standard90 bhp
- Remapped125 bhp
Torque
+70 Nm · +33%- Standard215 Nm
- Remapped285 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
ECU remapping for the Citroen C5 HDi 1.6 90 takes it from 90 to 125 bhp and from 215 to 285 Nm in our stage 1 figures: +35 bhp (39%) and +70 Nm (33%).
The figures above are estimates for a standard, well-maintained Citroen C5 petrol; they are not a guarantee of any particular result.
Citroen C5 HDi 1.6 90 remap figures
- Fuel: Petrol
- Standard power: 90 bhp, remapped: 125 bhp (+35 bhp, +39%)
- Standard torque: 215 Nm, remapped: 285 Nm (+70 Nm, +33%)
- Service: stage 1 ECU remap, fully dyno tested
Petrol Citroen C5: what changes with a remap
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.
For reference, HDi is the PSA name for its high-pressure common-rail diesel engines.
How the Citroen C5 HDi 1.6 90 compares
Of the 11 petrol C5 engines in our data, this one comes 3rd for power gain, which is 7 bhp above the C5 petrol average of 28 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 35 bhp and 70 Nm sits at or above that benchmark.
Remapping your Citroen C5 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.
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.

Get a quote for your Citroen C5 HDi 1.6 90
Send your details and a specialist will confirm what is possible for your engine.
Included
What we can do for your Citroen C5
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 C5 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