BMW · Power Calculator

BMW 4 Series G22 - 2020+ 430i 258hp Stage 1 Chip Tuning · ECU Remap

Name: BMW 4 Series G22 - 2020+ 430i 258hp Stage 1 Chip Tuning
Brand: BMW

Catalog reference — not a measured result for this vehicle.

How much bhp does BMW 4 Series G22 430i 258hp chip tuning add?

Catalog reference: power 258 → 287 bhp, difference +29 bhp (11%); torque 400 → 450 Nm. Actual results depend on vehicle condition and measurement.

Power258 → 287 bhp+29 bhp (+11%)

Torque400 → 450 Nm+50 Nm (+13%)

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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BMW 4 Series G22 - 2020+ 430i 258hp

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Reversible: Yes, the original software is kept

BMW 4 Series G22 - 2020+ 430i 258hp — 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

BMW 4 Series 430i 258hp Pop & Bang tuning

BMW 430i 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.

OUTSIDE TÜRKİYE?

Where can this be done near you?

Prime Chiptuning applies the software at its own centres in Türkiye. Abroad, our partners carry out the work with the same files, and workshops can order the file directly.

ENGINE FAMILY

About the BMW 2.0 turbo petrol (N20 and B48: 320i, 328i, 330i, 520i, 530i, X1, X3)

BMW's four-cylinder 2.0 turbo petrol replaced the naturally aspirated six-cylinders from 2012. As the N20 (2011–2016) and B48 (2015 onwards) it is used in the 1, 2, 3, 4 and 5 Series, X1, X3, X4 and Mini, from 136 to 306 hp.

How a Stage 1 remap works on the BMW 4 Series G22 430i 258hp

Stage 1 recalibrates boost, ignition and fuelling within the limits of the original hardware. The gain is especially clear on lower outputs such as the 318i, 320i and 520i, since their hardware is largely shared with the 328i / 330i. The twin-scroll turbo responds quickly.

Pre-remap checklist

Timing chain guides and tensioner on the N20 (a known issue).
Ignition coils, spark plugs and fuel quality.
High-pressure fuel pump.
Boost leaks and wastegate actuator.

This section is based on Prime Chiptuning workshop experience; the power and torque figures come from the catalogue measurement above.

ECUs used in BMW vehicles

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

BOSCH EDC16C31 BOSCH EDC16C35 BOSCH EDC17CP02 BOSCH EDC17C41 BOSCH EDC17CP45 BOSCH EDC17C56 BOSCH EDC17C06 BOSCH MG1CS003 All ECU families →

BMW 4 Series — Power Calculator

Engine	Power	Gain
418d 150hp	150 → 190 bhp	+40 bhp
420d 190hp	190 → 220 bhp	+30 bhp
420i 184hp	184 → 250 bhp	+66 bhp
430d 265hp	265 → 310 bhp	+45 bhp
430i 245hp	245 → 294 bhp	+49 bhp
M440d 340hp	340 → 380 bhp	+40 bhp
M440i 374hp	374 → 420 bhp	+46 bhp

Frequently asked questions

How much bhp does BMW 4 Series G22 430i 258hp chip tuning add?

Catalog reference: power 258 → 287 bhp, difference +29 bhp (11%); torque 400 → 450 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 BMW 4 Series G22 430i 258hp 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 BMW 4 Series G22 430i 258hp before remapping?

Before working on the BMW 2.0 turbo petrol (N20 and B48: 320i, 328i, 330i, 520i, 530i, X1, X3) we check: Timing chain guides and tensioner on the N20 (a known issue). Ignition coils, spark plugs and fuel quality. High-pressure fuel pump. Boost leaks and wastegate actuator. 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.