Hyundai i20 1.1 CRDI 75 hp — Stage 1 file (+20 hp)

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Chip tuning for Hyundai i20 1.1 CRDI 75 hp ECU

Hyundai i20 (2008 - PB) 1.1 CRDI 75 hp — mass-market diesel engine of the passenger segment of the Hyundai Motor Group group (Корея, 1967). Stage 1 chip tuning raises power from 75 to 95 hp (+20 hp, +27%) and torque from 153 to 190 Nm (+37 Nm). ECU — Delphi DCM3.7AP. Flashing method: OBD or Bench depending on the unit's protection. The 2008 generation — first-generation CDI/TDI/HDi diesels with relatively simple ECU protection; OBD reading works directly.

The Hyundai Motor Group also includes Kia and the premium Genesis sub-brand. The factory calibration on Hyundai diesels is conservative, leaving headroom for Stage 1.

The Hyundai community in Eastern Europe has a large pool of ready-made Stage files. Within Hyundai Motor Group, ECUs are partly shared, so Hyundai files often work on Kia. Low-output Hyundai engines are city units, and Stage 1 is safe. On naturally aspirated Hyundai engines, the main effect is on throttle response.

Frequently asked questions

How much does the power of the Hyundai i20 1.1 CRDI 75 hp increase after Stage 1?

The Stage 1 gain for the Hyundai i20 1.1 CRDI 75 hp is 20 hp (+27%) over the stock 75 hp, for a total of 95 hp. Torque rises from 153 to 190 Nm (+37 Nm).

What is Stage 1 chip tuning for the Hyundai i20?

Stage 1 chip tuning of the Hyundai i20 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +20 hp with no hardware changes.

What does chip tuning give on the low-output Hyundai i20 1.1 CRDI 75 hp?

Stage 1 on the base Hyundai i20 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 much does Stage 2 add on the Hyundai i20?

Stage 2 on the Hyundai i20 1.1 CRDI 75 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECU is fitted to the Hyundai i20 1.1 CRDI 75 hp?

The Hyundai i20 1.1 CRDI 75 hp ECU is the Delphi DCM3.7AP. Production versions support OBD access; locked variants require Bench (BDM/JTAG).

What happens to the Hyundai i20 warranty after chip tuning?

The factory warranty of the Hyundai i20 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 Hyundai i20 take?

On the Hyundai i20 1.1 CRDI 75 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 Hyundai i20?

Yes, the original ECU firmware of the Hyundai i20 1.1 CRDI 75 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 Hyundai i20?

Stage 1 for the Hyundai i20 1.1 CRDI 75 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: 30.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno