Smart CDI 55
ECU Remapping
Smart CDI 55. 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
Smart CDI 55: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+18 bhp · +33%- Standard55 bhp
- Remapped73 bhp
Torque
+33 Nm · +41%- Standard80 Nm
- Remapped113 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
Looking for ECU remapping for your Smart CDI 55? Standard it makes 55 bhp and 80 Nm. With a stage 1 remap our figures show 73 bhp and 113 Nm, an extra 18 bhp (33%) and 33 Nm (41%).
Figures are indicative stage 1 estimates for a healthy diesel Smart 45; results vary with the condition of the vehicle.
Smart CDI 55: remap at a glance
- Fuel: Diesel
- Standard power: 55 bhp, remapped: 73 bhp (+18 bhp, +33%)
- Standard torque: 80 Nm, remapped: 113 Nm (+33 Nm, +41%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a diesel Smart 45
Modern diesels are held back by conservative factory calibrations. A remap updates the fuel and boost maps stored in the ECU, which is why drivers notice stronger acceleration from low revs and less need to change down on hills or when loaded.
Remapping your Smart 45 across the UK
Our network covers the whole of the UK through local Remap Experts sites. Find your area to get a quote from a specialist near you.
You get a fully dyno tested remap, a 30 day money back guarantee and a lifetime software warranty with every job. Get your quote today on 0800 779 7864.

Ready for ECU remapping on your Smart 45?
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your Smart 45
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 45 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