Your Vehicle
Vauxhall Signum 2.8 Turbo 250hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Vauxhall Signum 2.8 Turbo 250hp: da 250 a 290HP
Remapping Vauxhall Signum
MasterTuning develops remapping for Vauxhall. La Vauxhall Signum 2.8 Turbo 250hp può passare da 250 HP a 290 HP con un incremento di 40 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Vauxhall Signum 2.8 Turbo 250hp
The Vauxhall Signum 2.8 Turbo 250hp is equipped with a petrol engine that produces 250 HP and 340 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Vauxhall can achieve 290 HP (+16%) and 400 Nm (+18%).
Our Stage 1 tuning for the Signum 2003 - 2008 delivers an impressive gain of +40 HP and +60 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code Z28NEL identifies this specific powerplant configuration. The Bosch ME9.6 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 250 HP from factory, this Vauxhall Signum is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Vauxhall Signum 2.8 Turbo 250hp
Factory technical data for the Vauxhall Signum 2.8 Turbo 250hp (2003 - 2008), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | Z28NEL |
|---|---|
| ECU / Control unit | Bosch ME9.6 |
| Fuel | Petrol |
| Compression ratio | 9.5 |
| Bore × stroke | 89.0 X 74.8 mm |
| Stock power | 250 HP · 340 Nm |
| Remapped power (Stage 1) | 290 HP (+40) · 400 Nm (+60) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Vauxhall Signum.
Frequently Asked Questions - Vauxhall Signum
How much power can I gain from remapping my Vauxhall Signum?
With MasterTuning Stage 1, your Vauxhall Signum 2.8 Turbo 250hp can gain +40 HP (from 250 to 290 HP) and +60 Nm of torque. This represents a 16% increase in power.
Which ECU does the Vauxhall Signum 2.8 Turbo 250hp use?
The Vauxhall Signum 2.8 Turbo 250hp uses the Bosch ME9.6 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Vauxhall Signum 2.8 Turbo 250hp?
The engine code of the Vauxhall Signum 2.8 Turbo 250hp is Z28NEL. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Vauxhall Signum engine?
Yes, MasterTuning's remapping for the Vauxhall Signum 2.8 Turbo 250hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the Z28NEL engine.
Is the Vauxhall ECU remapping reversible?
Absolutely. The original factory calibration of your Vauxhall Signum is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Vauxhall warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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