From 150 hp to about 180 hp: the Fiat 500 X 1.3 Firefly Turbo 150hp (2019 ->) becomes noticeably stronger and more responsive with Stage 1 software. Torque climbs from 270 Nm to about 290 Nm.

This is a petrol engine with a displacement of 1,332 cc and engine code 55282328. The engine is controlled by the Siemens/Continental GPEC4 and Marelli MJ9DF. The software file can be written with tools such as ByteShooter Toolbox and MagicMotorsport Flex.

Frequently asked questions

How much power and torque does a Fiat 500 X 1.3 Firefly Turbo 150hp gain with Stage 1?

About 30 hp and 20 Nm: from 150 hp / 270 Nm to roughly 180 hp / 290 Nm. The exact gain depends on engine condition and fuel quality.

Which ECU does a Fiat 500 X 1.3 Firefly Turbo 150hp use?

Siemens/Continental GPEC4 and Marelli MJ9DF.

Which tools can read a Fiat 500 X 1.3 Firefly Turbo 150hp?

ByteShooter Toolbox and MagicMotorsport Flex.

Figures are indicative and vehicle specific. Check the regulations that apply in your country before modifying engine software.