Stage 1 from 200 €. 14-day money-back guarantee.
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Real power gains for other engines and generations.
Chip tuning for the Ford Fiesta Mk5 – 2001 – 2008 with the N4JB engine (______, Stage 1) is an ECU remap with no mechanical changes to the engine. After the Stage 1 remap, power increases from 150 to 165 hp (++15 hp), while torque increases from 190 to 205 Nm (++15 Nm).
ECU remapping for the Ford Fiesta Mk5 – 2001 – 2008 recalibrates fueling, boost, and ignition timing specifically for the N4JB engine, without replacing the turbo, injectors, or any other hardware. The gain is most noticeable in the mid-rev range — the car accelerates with more confidence, while motorway acceleration and overtaking feel noticeably stronger.
With calm, everyday driving, fuel consumption after chip tuning a Ford Fiesta usually doesn’t increase and may improve, depending on the vehicle, calibration, and driving style. The calibration is designed to keep engine and turbo loads within safe limits for the N4JB.
14-day money-back guarantee: if you’re not happy with the result, we’ll refund you within two weeks. We only work with the Ford Fiesta ECU software — no mechanical changes.
Flashing the N4JB ECU takes 40–90 minutes, depending on the ECU version.
The flash is reversible — if needed, we can restore the Ford Fiesta factory ECU program to its original state.
Yes. For the Ford Fiesta Mk5 - 2001 - 2008 with the N4JB engine, Stage 1 is a standard solution.
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