Citroen C5 1.6 VTI 120 hp — Stage 1 file (+15 hp)

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Chip tuning for Citroen C5 1.6 VTI 120 hp ECU

Citroen C5 (2008) 1.6 VTI 120 hp — mass-market petrol engine of the passenger segment of the Stellantis group (Франция, 1919). Stage 1 chip tuning raises power from 120 to 135 hp (+15 hp, +12%) and torque from 160 to 180 Nm (+20 Nm). This engine ships with different ECU variants: Bosch MEV17.4, Bosch MEV17.4.2. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. A petrol engine built in 2008 — the era before widespread firmware encryption, OBD flash without complications.

Citroen shares platforms and engines with Peugeot, Opel/Vauxhall and DS within Stellantis. Citroen is part of the Stellantis group (formerly PSA Peugeot Citroen). The Citroen range covers compacts, saloons, SUVs, MPVs and commercial vehicles. The Citroen petrol range is shared with Peugeot and Opel within Stellantis. Citroen turbo petrol engines deliver a noticeable gain with Stage 1. PureTech is Citroen's badge for its turbo petrol engines.

Stage 1 on Citroen petrol engines gives a noticeable gain. The Citroen community in France and Western Europe has a large pool of Stage files. ECUs are standardised across Stellantis, so Citroen files often work on Peugeot/Opel/DS. The French Citroen community has a large pool of ready-made Stage files. Mid-range Citroen engines are a mainstream chip tuning subject in Europe.

Frequently asked questions

What is the Stage 1 effect on the Citroen C5 1.6 VTI 120 hp?

Stage 1 chip tuning on the Citroen C5 1.6 VTI 120 hp boosts engine output by 15 hp: from 120 to 135 hp. Torque rises from 160 to 180 Nm (+20 Nm).

What changes in the Citroen C5 ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Citroen C5 with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +15 hp with no hardware changes.

What is the risk of Stage 1 on the Citroen C5 1.6 VTI 120 hp?

A remap of the Citroen C5 1.6 VTI 120 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 Citroen C5 1.6 VTI 120 hp?

Stage 2 for the Citroen C5 1.6 VTI 120 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 Citroen C5 1.6 VTI 120 hp built with?

The Citroen C5 1.6 VTI 120 hp comes with 2 ECU variants: Bosch MEV17.4, Bosch MEV17.4.2. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Citroen C5 remain valid after Stage 1?

After remapping the Citroen C5, 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 Citroen C5?

Reading and writing via OBD takes 25-30 minutes on the Citroen C5. 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 Citroen C5?

Before Stage 1 the original of the Citroen C5 1.6 VTI 120 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Citroen C5 1.6 VTI 120 hp cost?

The remap price for the Citroen C5 1.6 VTI 120 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno