Renault Megane 1.2 TCE EU5 115 hp — Stage 1 file (+20 hp)

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Chip tuning for Renault Megane 1.2 TCE EU5 115 hp ECU

Renault Megane (2014) 1.2 TCE EU5 115 hp — mass-market petrol engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Франция, 1899). Stage 1 chip tuning raises power from 115 to 135 hp (+20 hp, +17%) and torque from 190 to 230 Nm (+40 Nm). This engine ships with different ECU variants: Siemens/Continental EMS3150, Siemens/Continental EMS3155. 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 2014 — a Tricore platform without strong protection; OBD access works.

Renault is the core of the Renault-Nissan-Mitsubishi Alliance (formed in 1999 and expanded in 2016). Renault Sport RS uses high-output turbo engines for its performance variants. TCe is Renault's signature designation for its petrol turbo engines. On Renault turbo petrol engines, Stage 1 delivers a noticeable gain.

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 Renault petrol engines, Stage 1 delivers a noticeable gain. The Renault community in Eastern Europe offers a large pool of Stage files for dCi engines. Mid-range Renault engines are a mainstream chip tuning subject in France.

Frequently asked questions

How many horsepower does the Renault Megane 1.2 TCE EU5 115 hp reach after a remap?

Stage 1 chip tuning on the Renault Megane 1.2 TCE EU5 115 hp boosts engine output by 20 hp: from 115 to 135 hp. Torque rises from 190 to 230 Nm (+40 Nm).

What changes in the Renault Megane ECU after Stage 1?

Stage 1 is a software optimization of the factory ECU firmware of the Renault Megane with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +20 hp with no hardware changes.

What is the risk of Stage 1 on the Renault Megane 1.2 TCE EU5 115 hp?

A remap of the Renault Megane 1.2 TCE EU5 115 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 Renault Megane 1.2 TCE EU5 115 hp?

Stage 2 for the Renault Megane 1.2 TCE EU5 115 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 Renault Megane 1.2 TCE EU5 115 hp built with?

The Renault Megane 1.2 TCE EU5 115 hp comes with 2 ECU variants: Siemens/Continental EMS3150, Siemens/Continental EMS3155. Calibration is done for the specific unit after the revision is identified.

Does the factory warranty of the Renault Megane remain valid after Stage 1?

After remapping the Renault Megane, 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 Renault Megane?

Reading and writing via OBD takes 25-30 minutes on the Renault Megane. 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 Renault Megane?

Before Stage 1 the original of the Renault Megane 1.2 TCE EU5 115 hp is read out and saved — returning to the factory state is possible at any time.

How much does chip tuning the Renault Megane 1.2 TCE EU5 115 hp cost?

The remap price for the Renault Megane 1.2 TCE EU5 115 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