Opel Signum 2.8 Turbo 250
ECU Remapping
Opel Signum 2.8 Turbo 250. 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 2.8 Turbo 250: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+40 bhp · +16%- Standard250 bhp
- Remapped290 bhp
Torque
+60 Nm · +17%- Standard350 Nm
- Remapped410 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
Out of the box the Opel Signum 2.8 Turbo 250 gives 250 bhp and 350 Nm. Remapped across the UK, we record 290 bhp and 410 Nm, so 40 bhp and 60 Nm more, or 16% and 17% respectively.
These are indicative figures for a petrol Opel Signum in good health. Your own results depend on the condition of the car.
Opel Signum 2.8 Turbo 250: remap at a glance
- Fuel: Petrol
- Standard power: 250 bhp, remapped: 290 bhp (+40 bhp, +16%)
- Standard torque: 350 Nm, remapped: 410 Nm (+60 Nm, +17%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol Opel Signum
A petrol remap re-works the engine management calibration: air-fuel ratio, ignition advance and boost where fitted. The result is more power and a more immediate throttle, delivered by software rather than hardware changes.
How the Opel Signum 2.8 Turbo 250 compares
Among the 3 petrol Signum engines we have figures for, the 2.8 Turbo 250 ranks 1st for power gain, 2 bhp above the Signum petrol average of 38 bhp.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 40 bhp and 60 Nm sits at or above that benchmark.
Book vehicle tuning for your Opel Signum
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.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.

Ready for ECU remapping on your Opel Signum?
Send your details and a specialist will confirm what is possible for your engine.
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