Your Vehicle
Opel Astra 1.2i 16v 65hp
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 Astra 1.2i 16v 65hp: da 65 a 70HP
Remapping Opel Astra
MasterTuning is a leader in developing remapping for Opel. La Opel Astra 1.2i 16v 65hp può passare da 65 HP a 70 HP con un incremento di 5 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 Astra 1.2i 16v 65hp
The Opel Astra 1.2i 16v 65hp is equipped with a petrol engine that produces 65 HP and 110 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Opel can achieve 70 HP (+8%) and 120 Nm (+9%).
Our Stage 1 tuning for the Astra (G) - 1998 - 2004 delivers an impressive gain of +5 HP and +10 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code Z12XE identifies this specific powerplant configuration. The Bosch M1.5.5 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
The Astra'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 — Opel Astra 1.2i 16v 65hp
Factory technical data for the Opel Astra 1.2i 16v 65hp ((G) - 1998 - 2004), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | Z12XE |
|---|---|
| ECU / Control unit | Bosch M1.5.5 |
| Fuel | Petrol |
| Compression ratio | 10.1 |
| Bore × stroke | 72.5 X 72.6 mm |
| Stock power | 65 HP · 110 Nm |
| Remapped power (Stage 1) | 70 HP (+5) · 120 Nm (+10) |
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 Astra.
Frequently Asked Questions - Opel Astra
How much power can I gain from remapping my Opel Astra?
With MasterTuning Stage 1, your Opel Astra 1.2i 16v 65hp can gain +5 HP (from 65 to 70 HP) and +10 Nm of torque. This represents a 8% increase in power.
Is ECU remapping safe for the Opel Astra engine?
Yes, MasterTuning's remapping for the Opel Astra 1.2i 16v 65hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the Z12XE engine.
Is the Opel ECU remapping reversible?
Absolutely. The original factory calibration of your Opel Astra 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 Astra (G) - 1998 - 2004
Similar Power Opel
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.
Request Quote on WhatsAppYour data is safe. No spam, just your quote.