Your Vehicle
Vauxhall Zafira 1.8i 16v 140hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 700 € at the workshop (on the bench) 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: 700 € network price, the workshop may charge less, paid at the chosen workshop (on the bench) · terms
Power Graph
Vauxhall Zafira 1.8i 16v 140hp: da 140 a 155HP
Remapping Vauxhall Zafira
MasterTuning develops remapping for Vauxhall. La Vauxhall Zafira 1.8i 16v 140hp può passare da 140 HP a 155 HP con un incremento di 15 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 Zafira 1.8i 16v 140hp
The Vauxhall Zafira 1.8i 16v 140hp is equipped with a petrol engine that produces 140 HP and 175 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Vauxhall can achieve 155 HP (+11%) and 190 Nm (+9%).
Our Stage 1 tuning for the Zafira (B) - 2005 - 2011 delivers an impressive gain of +15 HP and +15 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code X18XEP identifies this specific powerplant configuration. The Siemens/Continental SIMTEC 81.1 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The Zafira's petrol engine benefits significantly from professional ECU calibration. The result is a more responsive, enjoyable driving experience with improved power delivery throughout the rev range.
Technical Specifications — Vauxhall Zafira 1.8i 16v 140hp
Factory technical data for the Vauxhall Zafira 1.8i 16v 140hp ((B) - 2005 - 2011), 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 | X18XEP |
|---|---|
| ECU / Control unit | Siemens/Continental SIMTEC 81.1 |
| Fuel | Petrol |
| Compression ratio | 10.5 |
| Bore × stroke | 80.5 X 88.2 mm |
| Stock power | 140 HP · 175 Nm |
| Remapped power (Stage 1) | 155 HP (+15) · 190 Nm (+15) |
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 Zafira.
Frequently Asked Questions - Vauxhall Zafira
How much power can I gain from remapping my Vauxhall Zafira?
With MasterTuning Stage 1, your Vauxhall Zafira 1.8i 16v 140hp can gain +15 HP (from 140 to 155 HP) and +15 Nm of torque. This represents a 11% increase in power.
Which ECU does the Vauxhall Zafira 1.8i 16v 140hp use?
The Vauxhall Zafira 1.8i 16v 140hp uses the Siemens/Continental SIMTEC 81.1 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Vauxhall Zafira 1.8i 16v 140hp?
The engine code of the Vauxhall Zafira 1.8i 16v 140hp is X18XEP. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Vauxhall Zafira engine?
Yes, MasterTuning's remapping for the Vauxhall Zafira 1.8i 16v 140hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the X18XEP engine.
Is the Vauxhall ECU remapping reversible?
Absolutely. The original factory calibration of your Vauxhall Zafira 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.
Other Remaps You Might Like
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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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