Opel Signum 1.9 CDTi 150
ECU Remapping Croydon
Opel Signum 1.9 CDTi 150 in Croydon. 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
Opel Signum 1.9 CDTi 150: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+30 bhp · +20%- Standard150 bhp
- Remapped180 bhp
Torque
+65 Nm · +20%- Standard320 Nm
- Remapped385 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
The Opel Signum 1.9 CDTi 150 produces 150 bhp and 320 Nm of torque as standard. After a stage 1 ECU remap in Croydon, our figures show 180 bhp and 385 Nm: a gain of 30 bhp (20%) and 65 Nm (20%).
Treat the numbers as a guide: they are stage 1 estimates for a diesel Opel Signum in sound condition, and individual cars differ.
Opel Signum 1.9 CDTi 150 remap figures
- Fuel: Diesel
- Standard power: 150 bhp, remapped: 180 bhp (+30 bhp, +20%)
- Standard torque: 320 Nm, remapped: 385 Nm (+65 Nm, +20%)
- Service: stage 1 ECU remap, fully dyno tested
How ECU remapping works on a diesel Opel Signum
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.
Opel Signum 1.9 CDTi 150 against other Signum engines
Ranked by power gain against the other diesel Signum engines (5 in total), the 1.9 CDTi 150 is 5th, 6 bhp below the Signum diesel average of 36 bhp.
Across our whole catalogue the average diesel remap adds 34 bhp and 73 Nm, so this engine's 30 bhp and 65 Nm sits below that benchmark.
Opel Signum performance tuning in Croydon
This is the Croydon site of the Remap Experts network, serving local drivers. We regularly work with drivers in Lambeth, Southwark, New Addington, Lewisham and Greenwich and nearby areas of London.
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 London, Surrey and Crawley, those neighbouring Remap Experts sites can help too.

Ready for ECU remapping on your Opel Signum in Croydon?
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Opel Signum
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