Dacia Logan 1.5 DCI EU4 68 hp — Stage 1 file (+22 hp)

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Chip tuning for Dacia Logan 1.5 DCI EU4 68 hp ECU

Dacia Logan (2007) 1.5 DCI EU4 68 hp — mass-market diesel engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance (через Renault) group (Румыния, 1966). Stage 1 chip tuning raises power from 68 to 90 hp (+22 hp, +32%) and torque from 160 to 200 Nm (+40 Nm). ECU — Delphi DCM1.2. Flashing method: OBD or Bench depending on the unit's protection. The 2007 generation — first-generation CDI/TDI/HDi diesels with relatively simple ECU protection; OBD reading works directly.

Dacia positions itself as an affordable alternative to Renault — the same quality at a lower price. Dacia is a mass-market budget brand of the Renault-Nissan alliance. The Logan, Sandero and Duster are Dacia's iconic mass-market models. On older Dacia dCi engines, Stage 1 is a straightforward OBD job. DPF/SCR with AdBlue is standard on Euro-6 Dacia diesels. On low-output Dacia dCi engines, Stage 1 is safe.

The Dacia community in Eastern Europe and the CIS enjoys a large library of ready-made Stage files. Within the Renault-Nissan Alliance, ECUs are standardised, so Dacia files often work on Renault. Low-output Dacia engines are city-segment units; Stage 1 is safe.

Frequently asked questions

What is the Stage 1 effect on the Dacia Logan 1.5 DCI EU4 68 hp?

After Stage 1 the power of the Dacia Logan 1.5 DCI EU4 68 hp rises from 68 to 90 hp, a gain of 22 hp (+32%). Torque rises from 160 to 200 Nm (+40 Nm).

How does Stage 1 differ from stock on the Dacia Logan?

Stage 1 on the Dacia Logan 1.5 DCI EU4 68 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 +22 hp with no hardware changes.

Is Stage 1 safe for the low-output Dacia Logan 1.5 DCI EU4 68 hp?

Stage 1 on the base Dacia Logan is safe — the factory calibration of low-output engines leaves headroom for software optimization. The gain is modest, but engine life is not affected.

How does Stage 2 differ from Stage 1 on the Dacia Logan 1.5 DCI EU4 68 hp?

Stage 2 on the Dacia Logan 1.5 DCI EU4 68 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What control unit does the Dacia Logan 1.5 DCI EU4 68 hp run?

The control unit of the Dacia Logan 1.5 DCI EU4 68 hp is the Delphi DCM1.2. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Dacia Logan?

Stage 1 on the Dacia Logan 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 Dacia Logan 1.5 DCI EU4 68 hp done?

The full remap cycle for the Dacia Logan — 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 Dacia Logan?

The original Dacia Logan 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 Dacia Logan 1.5 DCI EU4 68 hp?

The cost of Stage 1 for the Dacia Logan 1.5 DCI EU4 68 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno