Fiat 500 1.3 Mjet 85 hp — Stage 1 file (+20 hp)
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Stage 1 file for Fiat 500 1.3 Mjet 85 hp
Target +0 hp. Custom development for your engine.
Chip tuning for Fiat 500 1.3 Mjet 85 hp ECU
Fiat 500 (2012) 1.3 Mjet 85 hp — mass-market diesel engine of the passenger segment of the Stellantis (бывш. FCA — Fiat Chrysler Automobiles) group (Италия, 1899). Stage 1 chip tuning raises power from 85 to 105 hp (+20 hp, +24%) and torque from 200 to 250 Nm (+50 Nm). This engine ships with different ECU variants: Marelli MJD8, Marelli MJD8DMF, Marelli MJD8F2, Marelli MJD8F3, Marelli MJD9DF. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 5 configurations · 5 ECU variants. The 2012 generation — mid-generation diesels on the EDC17 platform with OBD reading support and no need for Bench.
Fiat has historically specialised in compact and city cars. The factory calibration on Fiat diesels is conservative, leaving headroom for Stage 1.
On pre-2017 Fiat models, Stage 1 is done via OBD without bench. The Fiat community in Italy offers a large pool of ready-made Stage files for compacts and the Ducato. Within Stellantis, ECUs are standardised across platforms, so some files work on Fiat/Citroen/Peugeot. Low-output Fiat engines are city units, and Stage 1 is safe on them. On naturally aspirated Fiat engines the main effect is sharper throttle response.
Frequently asked questions
How much does the power of the Fiat 500 1.3 Mjet 85 hp increase after Stage 1?
The Stage 1 gain for the Fiat 500 1.3 Mjet 85 hp is 20 hp (+24%) over the stock 85 hp, for a total of 105 hp. Torque rises from 200 to 250 Nm (+50 Nm).
What is Stage 1 chip tuning for the Fiat 500?
Stage 1 is a software optimization of the factory ECU firmware of the Fiat 500 with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +20 hp with no hardware changes.
Is Stage 1 worth doing on the base Fiat 500?
Stage 1 on the base Fiat 500 is safe — the factory calibration of low-output engines leaves headroom for software optimization. The gain is modest, but engine life is not affected.
What is Stage 2 for the Fiat 500 1.3 Mjet 85 hp?
Stage 2 on the Fiat 500 1.3 Mjet 85 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Which control units is the Fiat 500 1.3 Mjet 85 hp built with?
The Fiat 500 1.3 Mjet 85 hp comes with 5 ECU variants: Marelli MJD8, Marelli MJD8DMF, Marelli MJD8F2, Marelli MJD8F3, Marelli MJD9DF. Calibration is done for the specific unit after the revision is identified.
Does the factory warranty of the Fiat 500 remain valid after Stage 1?
After remapping the Fiat 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 Fiat 500?
Reading and writing via OBD takes 25-30 minutes on the Fiat 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 Fiat 500?
Before Stage 1 the original of the Fiat 500 1.3 Mjet 85 hp is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Fiat 500 1.3 Mjet 85 hp cost?
The remap price for the Fiat 500 1.3 Mjet 85 hp is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.