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Dyno Developed Software & Unrivalled
Technical Support.

JOIN THE CELTIC TUNING NETWORK.

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An ECU Remap for your exotic car
can significantly improve your driving
experience.

SUPER CAR TUNING

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ECU Remapping your Turbo Diesel has
never been so easy. With improved power
and fuel economy one simple step away.

DIESEL CHIP TUNING

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Tuning your truck can improve your pulling
power and fuel economy. See how Celtic
Tuning can help you and your fleet.

TRUCK / HGV ECU REMAPPING

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Towing power is essential for any
farmer. Improve the power and
fuel economy of your tractor with
an ECU Remap.

TRACTOR ECU REMAPPING

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BMW
  • Model:

    BMW 4 Series

  • Variant:

    440i 322 bhp

  • Years:

    2016-now

  • Fuel:

    Petrol

  • Engine Size:

    2998 ccm

  • ECU Type:

    Bosch MG1CS003

BMW 4 Series 440i 322 bhp

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We at Celtic Tuning develop all of our own software in house using the very latest equipment.

All of our software is developed in our purpose built dyno cells running state of the art Dynocom 4WD rolling roads to ensure accuracy in terms of both power delivery and also to ensure fuelling, boost pressures and exhaust gas temperatures (where applicable) are all within tolerance.

We pride ourselves on our ability to achieve maximum power whilst maintaining optimum reliability.

Original Modified Difference
322

bhp

423

bhp

+101

bhp

332

lb/ft

445

lb/ft

+113

lb/ft

Stage Notes

The stage 1 software on this vehicle is designed for use with standard components and within tolerances.

This is classed as our fast road application which is the best all round performance for stock vehicles.

Available Services

Rev Limit removal
VMax removal

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