Your Vehicle
Opel Astra 1.7 DTI 16v 75hp
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 1.7 DTI 16v 75hp: da 75 a 104HP
Remapping Opel Astra
MasterTuning is a leader in developing remapping for Opel. La Opel Astra 1.7 DTI 16v 75hp può passare da 75 HP a 104 HP con un incremento di 29 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 1.7 DTI 16v 75hp
The Opel Astra 1.7 DTI 16v 75hp is equipped with a diesel engine that produces 75 HP and 165 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Opel can achieve 104 HP (+39%) and 214 Nm (+30%).
Our Stage 1 tuning for the Astra (G) - 1998 - 2004 delivers an impressive gain of +29 HP and +49 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The engine code Y17DTH identifies this specific powerplant configuration. The Delphi DTI17 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this Opel responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Technical Specifications — Opel Astra 1.7 DTI 16v 75hp
Factory technical data for the Opel Astra 1.7 DTI 16v 75hp ((G) - 1998 - 2004), used by MasterTuning engineers to develop a tailored, dyno-tested remap for this specific powerplant.
| Engine code | Y17DTH |
|---|---|
| ECU / Control unit | Delphi DTI17 |
| Fuel | Diesel |
| Compression ratio | 18.4 |
| Bore × stroke | 79.0 X 86.0 mm |
| Stock power | 75 HP · 165 Nm |
| Remapped power (Stage 1) | 104 HP (+29) · 214 Nm (+49) |
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 1.7 DTI 16v 75hp can gain +29 HP (from 75 to 104 HP) and +49 Nm of torque. This represents a 39% increase in power.
Is ECU remapping safe for the Opel Astra engine?
Yes, MasterTuning's remapping for the Opel Astra 1.7 DTI 16v 75hp is developed within safe parameters. All calibrations are tested on our 4x4 dyno and stay within the mechanical limits of the Y17DTH 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.
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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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