Renault Clio 1.5 DCI EU4 85 hp — Stage 1 file (+19 hp)

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Chip tuning for Renault Clio 1.5 DCI EU4 85 hp ECU

Renault Clio (2005 - III) 1.5 DCI EU4 85 hp — mass-market diesel engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Франция, 1899). Stage 1 chip tuning raises power from 85 to 104 hp (+19 hp, +22%) and torque from 200 to 260 Nm (+60 Nm). This engine ships with different ECU variants: Delphi DCM1.2, Delphi DCM3.4. The flashing method is determined by the specific unit: OBD, Bench or Boot mode. In the CHIPOK database: 2 configurations · 2 ECU variants. Diesel engines built in 2005 — the era of classic Common Rail without strong encryption.

Renault shares platforms and engines with Nissan, Dacia and Mercedes (through technical partnerships). dCi is Renault's signature designation for its turbo diesels.

Within the Renault-Nissan Alliance, ECUs are partly standardised, so some files carry over between brands. The Renault community in France and Eastern Europe offers a large pool of ready-made Stage files. On naturally aspirated Renault engines, the main effect is on throttle response. Low-output Renault engines are city-segment units; Stage 1 is safe.

Frequently asked questions

How much does the power of the Renault Clio 1.5 DCI EU4 85 hp increase after Stage 1?

Stage 1 for the Renault Clio 1.5 DCI EU4 85 hp adds +19 hp — power increases from 85 to 104 hp (+22%). Torque rises from 200 to 260 Nm (+60 Nm).

What does a Stage 1 remap of the Renault Clio 1.5 DCI EU4 85 hp include?

Stage 1 chip tuning of the Renault Clio is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +19 hp with no hardware changes.

What does chip tuning give on the low-output Renault Clio 1.5 DCI EU4 85 hp?

Yes, Stage 1 on the low-output Renault Clio 1.5 DCI EU4 85 hp delivers a moderate but genuine gain — without overstressing the hardware. On base naturally aspirated engines the effect is felt mainly as improved throttle response and a stronger mid-range.

How much does Stage 2 add on the Renault Clio?

Stage 2 for the Renault Clio 1.5 DCI EU4 85 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 ECUs are found on the Renault Clio 1.5 DCI EU4 85 hp?

The Renault Clio 1.5 DCI EU4 85 hp was fitted with different ECUs depending on the year and trim: Delphi DCM1.2, Delphi DCM3.4. The write method (OBD, Bench, Boot) is determined when the unit is read.

What happens to the Renault Clio warranty after chip tuning?

The factory warranty of the Renault Clio does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.

How long does remapping the Renault Clio take?

On the Renault Clio 1.5 DCI EU4 85 hp: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.

Is the original file kept when chip tuning the Renault Clio?

Yes, the original ECU firmware of the Renault Clio 1.5 DCI EU4 85 hp is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.

What is the price of a Stage 1 remap for the Renault Clio?

Stage 1 for the Renault Clio 1.5 DCI EU4 85 hp is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.

Last updated: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno