Opel Signum 3.0 V6 CDTi 177
ECU Remapping Northampton
Opel Signum 3.0 V6 CDTi 177 in Northampton. 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 3.0 V6 CDTi 177: standard vs remapped
Diesel engine. Indicative stage 1 figures, fully dyno tested.
Power
+43 bhp · +24%- Standard177 bhp
- Remapped220 bhp
Torque
+75 Nm · +20%- Standard370 Nm
- Remapped445 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 3.0 V6 CDTi 177 produces 177 bhp and 370 Nm of torque as standard. After a stage 1 ECU remap in Northampton, our figures show 220 bhp and 445 Nm: a gain of 43 bhp (24%) and 75 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 3.0 V6 CDTi 177 remap figures
- Fuel: Diesel
- Standard power: 177 bhp, remapped: 220 bhp (+43 bhp, +24%)
- Standard torque: 370 Nm, remapped: 445 Nm (+75 Nm, +20%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a diesel Opel Signum
The gains from remapping a diesel come from the engine management software rather than new parts: injection, boost and torque limits are re-mapped, which is why torque improves most and why the car often feels easier to drive at lower revs.
Opel Signum 3.0 V6 CDTi 177 against other Signum engines
Ranked by power gain against the other diesel Signum engines (5 in total), the 3.0 V6 CDTi 177 is 1st, 7 bhp above 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 43 bhp and 75 Nm sits at or above that benchmark.
Remapping your Opel Signum in Northampton
This is the Northampton site of the Remap Experts network, serving local drivers. We regularly work with drivers in Newport Pagnell, Towcester, Silverstone, Rushden and Market Harborough and nearby areas of the East Midlands.
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 Leicester, Milton Keynes and Coventry, those neighbouring Remap Experts sites can help too.

Get a quote for your Opel Signum 3.0 V6 CDTi 177
Tell us about your car and we will come back with a quote by SMS or phone.
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