Renault Megane 1.5 DCI EU5 95 hp — Stage 1 file (+35 hp)

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Chip tuning for Renault Megane 1.5 DCI EU5 95 hp ECU

Renault Megane (2008) 1.5 DCI EU5 95 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 95 to 130 hp (+35 hp, +37%) and torque from 240 to 300 Nm (+60 Nm). In the CHIPOK database: 2 configurations. Diesel engines built in 2008 — the era of classic Common Rail without strong encryption.

Dacia is Renault's mass-market budget sub-brand, built in Romania. On older Renault dCi engines, Stage 1 is a straightforward OBD job.

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 horsepower does Stage 1 add for the Renault Megane 1.5 DCI EU5 95 hp?

Stage 1 chip tuning on the Renault Megane 1.5 DCI EU5 95 hp boosts engine output by 35 hp: from 95 to 130 hp. Torque rises from 240 to 300 Nm (+60 Nm).

What changes in the Renault Megane ECU after Stage 1?

Stage 1 chip tuning of the Renault Megane is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +35 hp with no hardware changes.

What does chip tuning give on the low-output Renault Megane 1.5 DCI EU5 95 hp?

Yes, Stage 1 on the low-output Renault Megane 1.5 DCI EU5 95 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 Megane?

Stage 2 for the Renault Megane 1.5 DCI EU5 95 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 happens to the Renault Megane warranty after chip tuning?

The factory warranty of the Renault Megane 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 Megane take?

On the Renault Megane 1.5 DCI EU5 95 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 Megane?

Yes, the original ECU firmware of the Renault Megane 1.5 DCI EU5 95 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 Megane?

Stage 1 for the Renault Megane 1.5 DCI EU5 95 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno