Vauxhall Signum 3.0 V6 CDTi 177
ECU Remapping Berkshire
Vauxhall Signum 3.0 V6 CDTi 177 in Berkshire. 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
Vauxhall 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
What does a remap do for the Vauxhall Signum 3.0 V6 CDTi 177? Our figures show power up from 177 to 220 bhp (+24%) and torque up from 370 to 445 Nm (+20%), a stage 1 result you can book in Berkshire.
Treat the numbers as a guide: they are stage 1 estimates for a diesel Vauxhall Signum in sound condition, and individual cars differ.
Vauxhall Signum 3.0 V6 CDTi 177: remap at a glance
- 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
Diesel Vauxhall Signum: what changes with a remap
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.
Vauxhall Signum 3.0 V6 CDTi 177 against other Signum engines
Among the 5 diesel Signum engines we have figures for, the 3.0 V6 CDTi 177 ranks 1st for power gain, 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.
Vauxhall Signum chip tuning in Berkshire
Whether you live in Berkshire or nearby, the Berkshire Remap Experts site is your local route to a quote. We regularly work with drivers in Slough, Windsor, Twyford, Thatcham and Sandhurst and nearby areas of the South East.
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 Surrey, Basingstoke and Milton Keynes, those neighbouring Remap Experts sites can help too.

Get a quote for your Vauxhall Signum 3.0 V6 CDTi 177
Send your registration and we will confirm the exact remap, the price and the next available slot.
Included
What we can do for your Vauxhall 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