Opel · Power Calculator

Opel Astra (K) - 2015 - 2018 1.4 Turbo 125hp Stage 1 Chip Tuning · ECU Remap

Name: Opel Astra (K) - 2015 - 2018 1.4 Turbo 125hp Stage 1 Chip Tuning
Brand: Opel

Catalog reference — not a measured result for this vehicle.

How much bhp does Opel Astra K 1.4 Turbo 125hp chip tuning add?

Catalog reference: power 125 → 180 bhp, difference +55 bhp (44%); torque 245 → 290 Nm. Actual results depend on vehicle condition and measurement.

Power125 → 180 bhp+55 bhp (+44%)

Torque245 → 290 Nm+45 Nm (+18%)

Figures are typical ranges; exact results depend on the vehicle's hardware and dyno measurement.

Stage 1 Remap Stage 2 Remap Pop & Bang Speed Limiter (Vmax) Removal DTC / Fault Code Removal

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Opel Astra (K) - 2015 - 2018 1.4 Turbo 125hp

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Reversible: Yes, the original software is kept

Opel Astra (K) - 2015 - 2018 1.4 Turbo 125hp — Stage 1 Remap

Stage 1 re-calibrates the ECU software — boost, fuelling and ignition maps — within the factory hardware's safe tolerances. No hardware changes are required.

Solutions for this vehicle

Opel Astra 1.4 Turbo 125hp Pop & Bang tuning

Opel Astra 1.4 Turbo Stage 1: all generations →

Stage 1 Remap

Software that optimises the engine's power and torque maps within safe limits.

Stage 2 Remap

Advanced software matched to hardware upgrades such as a sport exhaust or induction kit.

Pop & Bang

Software that creates exhaust crackle on lift-off.

Speed Limiter (Vmax) Removal

Removing the factory top-speed limiter from the software.

DTC / Fault Code Removal

Switching off selected diagnostic trouble codes (DTC) in the ECU software.

In Taiwan

Where can this be done near you?

GP Power ECU applies the software at its workshop in Hukou, Hsinchu, using EcuPrime-developed files; workshops can also order the file directly.

ENGINE FAMILY

About the Opel 1.4 Turbo (A14NET, B14XFT, B14NET)

The 1.4 Turbo is the four-cylinder turbo petrol of the Opel Astra, Corsa, Insignia, Mokka, Meriva and Zafira, from 120 to 150 hp. Its compact design responds well to software.

How a Stage 1 remap works on the Opel Astra K 1.4 Turbo 125hp

Stage 1 recalibrates boost, ignition and fuelling. Since the 120 and 140 hp outputs share hardware, the gain is clear; mid-range acceleration and low-rev torque fill out.

Pre-remap checklist

Ignition coils and spark plugs.
Boost leaks and wastegate.
Cooling system and thermostat.
Fuel octane rating.

This section is based on GP Power ECU workshop experience; the power and torque figures come from the catalogue measurement above.

ECUs used in Opel vehicles

If you know your ECU family, its page lists exactly which solutions are available for it.

BOSCH EDC17C59 BOSCH EDC16C9 BOSCH MD1CS003 BOSCH EDC17C19 DELCO E98 MARELLI MJD6 (ALL)BOSCH EDC16C39 BOSCH EDC17C18 All ECU families →

Opel Astra — Power Calculator

Engine	Power	Gain
1.0 Turbo 105hp	105 → 130 bhp	+25 bhp
1.4 Turbo 150hp	150 → 180 bhp	+30 bhp
1.6 CDTi 110hp	110 → 140 bhp	+30 bhp
1.6 CDTi 136hp	136 → 160 bhp	+24 bhp
1.6 CDTI 95hp	95 → 140 bhp	+45 bhp
1.6 CDTi Bi-Turbo 160hp	160 → 190 bhp	+30 bhp
1.6 Turbo 200hp	200 → 225 bhp	+25 bhp

Frequently asked questions

How much bhp does Opel Astra K 1.4 Turbo 125hp chip tuning add?

Catalog reference: power 125 → 180 bhp, difference +55 bhp (44%); torque 245 → 290 Nm. Actual results depend on vehicle condition and measurement.

Will chip tuning damage the engine?

No. Values stay inside the safety margin the manufacturer leaves; engine, gearbox and turbo limits are not exceeded. Every file is verified with a road test and data logging. If the car needs maintenance first (worn injectors, blocked filter, weak clutch) we tell you before starting.

Will my fuel consumption go up?

With the same driving style it usually drops, because you hold the same speed at lower revs and less throttle. If you use the extra power, consumption naturally rises. It is down to your right foot.

How long does it take? Do I leave the car?

Most cars take 1–2 hours and you get the car back the same day; no need to leave it. Some models need the ECU removed, which takes longer — we tell you when booking.

Can I go back to stock later?

Yes. The original file is read and archived before any work. We restore the factory software free of charge whenever you ask.

Does it void my warranty?

Changing engine software can affect the manufacturer warranty. If a dealer finds a fault to be software related, they may refuse that claim. We want you to decide knowing this. Your original file stays with us and can be restored before a dealer visit.

Will it pass the roadworthiness test?

Stage 1 power software does not touch emission hardware. Work on emission systems is offered only for uses permitted by law; road use and inspection compliance remain the owner's responsibility.

How much does Opel Astra K 1.4 Turbo 125hp chip tuning cost?

Price depends on the vehicle, the ECU and the solution chosen. Send us your vehicle details on WhatsApp and we will quote straight away. Inspection and measurement are free.

How is the work done?

We scan for faults and read the original software first. The file is adapted to your car's hardware, written, and verified on a road test. The original is archived.

What is checked on the Opel Astra K 1.4 Turbo 125hp before remapping?

Before working on the Opel 1.4 Turbo (A14NET, B14XFT, B14NET) we check: Ignition coils and spark plugs. Boost leaks and wastegate. Cooling system and thermostat. Fuel octane rating. If something needs attention, maintenance comes first; the remap is applied to a healthy engine.

⚠ Software work on emission systems is offered only for uses permitted by applicable law (motorsport, off-road use, export, fault diagnosis, etc.). Road use and inspection compliance of the vehicle remain the owner's responsibility.