Abarth 500 1.4 T-Jet 135 hp — Stage 1 file (+30 hp)

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Chip tuning for Abarth 500 1.4 T-Jet 135 hp ECU

Abarth 500 (2008) 1.4 T-Jet 135 hp — sports petrol engine of the passenger segment of the Stellantis (тюнинг-суббренд Fiat) group (Италия, 1899). Stage 1 chip tuning raises power from 135 to 165 hp (+30 hp, +22%) and torque from 206 to 290 Nm (+84 Nm). This engine ships with different ECU variants: Bosch ME17.3.0, Bosch ME7.9.10. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 4 configurations · 2 ECU variants. A petrol engine built in 2008 — the era before widespread firmware encryption, OBD flash without complications.

The scorpion is Abarth's signature logo, a symbol of its aggressive character. The Abarth range consists of sporty versions of the Fiat 500 and other compacts. Abarth has historically shared its platforms and base engines with Fiat. The factory Abarth calibration is sporty, yet there is still headroom for Stage 1. Abarth builds high-output turbo-petrol engines based on Fiat units.

The Abarth community is a performance niche within the wider Fiat scene. The Fiat community in Southern Europe has a large pool of ready-made Stage files. Mid-range Fiat engines are a high-volume chip tuning subject.

Frequently asked questions

How much does the power of the Abarth 500 1.4 T-Jet 135 hp increase after Stage 1?

Stage 1 chip tuning on the Abarth 500 1.4 T-Jet 135 hp boosts engine output by 30 hp: from 135 to 165 hp. Torque rises from 206 to 290 Nm (+84 Nm).

What changes in the Abarth 500 ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Abarth 500 with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +30 hp with no hardware changes.

What is the risk of Stage 1 on the Abarth 500 1.4 T-Jet 135 hp?

A remap of the Abarth 500 1.4 T-Jet 135 hp is safe — the factory calibration in this mid-range class is conservative, leaving genuine headroom for Stage 1 with no hardware changes.

What is Stage 2 for the Abarth 500 1.4 T-Jet 135 hp?

Stage 2 for the Abarth 500 1.4 T-Jet 135 hp is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

Which control units is the Abarth 500 1.4 T-Jet 135 hp built with?

The Abarth 500 1.4 T-Jet 135 hp comes with 2 ECU variants: Bosch ME17.3.0, Bosch ME7.9.10. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Abarth 500 remain valid after Stage 1?

After remapping the Abarth 500, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.

How long is the wait for a Stage 1 remap for the Abarth 500?

Reading and writing via OBD takes 25-30 minutes on the Abarth 500. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.

How do you roll back to the factory firmware of the Abarth 500?

Before Stage 1 the original of the Abarth 500 1.4 T-Jet 135 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Abarth 500 1.4 T-Jet 135 hp cost?

The remap price for the Abarth 500 1.4 T-Jet 135 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno