Renault Clio 1.5 DCI EU5 90 hp — Stage 1 file (+20 hp)

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Chip tuning for Renault Clio 1.5 DCI EU5 90 hp ECU

Renault Clio (2012 - IV) 1.5 DCI EU5 90 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 90 to 110 hp (+20 hp, +22%) and torque from 220 to 250 Nm (+30 Nm). ECU — Bosch EDC17C42. Flashing method: OBD or Bench depending on the unit's protection. A diesel built in 2012 — the Tricore ECU era; OBD flash works on most production revisions.

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. On older-generation Renault models, Stage 1 is done via OBD without bench. 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

What is the Stage 1 effect on the Renault Clio 1.5 DCI EU5 90 hp?

Stage 1 chip tuning on the Renault Clio 1.5 DCI EU5 90 hp boosts engine output by 20 hp: from 90 to 110 hp. Torque rises from 220 to 250 Nm (+30 Nm).

What changes in the Renault Clio ECU after Stage 1?

Stage 1 on the Renault Clio 1.5 DCI EU5 90 hp is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +20 hp with no hardware changes.

Is Stage 1 safe for the low-output Renault Clio 1.5 DCI EU5 90 hp?

Yes, Stage 1 on the low-output Renault Clio 1.5 DCI EU5 90 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 does Stage 2 differ from Stage 1 on the Renault Clio 1.5 DCI EU5 90 hp?

Stage 2 for the Renault Clio 1.5 DCI EU5 90 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.

What control unit does the Renault Clio 1.5 DCI EU5 90 hp run?

The control unit of the Renault Clio 1.5 DCI EU5 90 hp is the Bosch EDC17C42. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Renault Clio?

Stage 1 on the Renault Clio voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.

How quickly is chip tuning of the Renault Clio 1.5 DCI EU5 90 hp done?

The full remap cycle for the Renault Clio — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.

Can you return to stock after Stage 1 on the Renault Clio?

The original Renault Clio ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.

How much does Stage 1 cost for the Renault Clio 1.5 DCI EU5 90 hp?

The cost of Stage 1 for the Renault Clio 1.5 DCI EU5 90 hp is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.

Last updated: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno