Your Vehicle
Opel Signum 2.8 Turbo 250hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Power HP
Torque Nm
Book your Stage 1 remap
499 € VAT included · pay online, the work is done at the workshop you choose
Power Graph
Opel Signum 2.8 Turbo 250hp: da 250 a 290HP
Remapping Opel Signum
MasterTuning is a leader in developing remapping for Opel. La Opel 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% tested and customized files guarantee
- Tested and developed on a 4x4 dyno
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Opel Signum 2.8 Turbo 250hp
The Opel 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 Opel 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 Opel 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 — Opel Signum 2.8 Turbo 250hp
Factory technical data for the Opel Signum 2.8 Turbo 250hp (2003 - 2008), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| 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 Opel Signum.
Frequently Asked Questions - Opel Signum
How much power can I gain from remapping my Opel Signum?
With MasterTuning Stage 1, your Opel 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.
Is ECU remapping safe for the Opel Signum engine?
Yes, MasterTuning's remapping for the Opel Signum 2.8 Turbo 250hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the Z28NEL engine.
Is the Opel ECU remapping reversible?
Absolutely. The original factory calibration of your Opel Signum is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Opel 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.
Other Remaps You Might Like
Other Engines Opel Signum 2003 - 2008
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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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