Infiniti EX 35 (3.5i V6) 295 hp — Stage 1 file (+15 hp)

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Chip tuning for Infiniti EX 35 (3.5i V6) 295 hp ECU

Infiniti EX (2008) 35 (3.5i V6) 295 hp — premium petrol engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Япония, 1933). Stage 1 chip tuning raises power from 295 to 310 hp (+15 hp, +5%) and torque from 366 to 380 Nm (+14 Nm). ECU — Hitachi BEDxxx/MECxxx. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2008 — the era before widespread firmware encryption, OBD flash without complications.

Infiniti is part of the Renault-Nissan-Mitsubishi Alliance via Nissan. Infiniti is Nissan's premium sub-brand, launched in 1989 for North America. The Infiniti range comprises premium saloons, crossovers and coupes. The GT-R is Nissan's flagship supercar with a BiTurbo V6. Nissan's petrol range covers mainstream turbocharged and naturally aspirated engines. High-output Nissan models deliver a solid gain with Stage 1.

The GT-R community is an industry of its own with ready-made Stage files. The Nissan community in the JDM segment is the world's largest for the GT-R. High-output Nissan models deliver a solid gain with Stage 1.

Frequently asked questions

What is the Stage 1 effect on the Infiniti EX 35 (3.5i V6) 295 hp?

Stage 1 chip tuning on the Infiniti EX 35 (3.5i V6) 295 hp boosts engine output by 15 hp: from 295 to 310 hp. Torque rises from 366 to 380 Nm (+14 Nm).

What changes in the Infiniti EX ECU after Stage 1?

Stage 1 on the Infiniti EX 35 (3.5i V6) 295 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 +15 hp with no hardware changes.

What does Stage 1 give on the powerful Infiniti EX 35 (3.5i V6) 295 hp?

Stage 1 on the powerful Infiniti EX 35 (3.5i V6) 295 hp “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).

How does Stage 2 differ from Stage 1 on the Infiniti EX 35 (3.5i V6) 295 hp?

Stage 2 for the Infiniti EX 35 (3.5i V6) 295 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 Infiniti EX 35 (3.5i V6) 295 hp run?

The control unit of the Infiniti EX 35 (3.5i V6) 295 hp is the Hitachi BEDxxx/MECxxx. Before flashing, the engineer identifies the exact revision and selects the write method.

Does Stage 1 void the warranty on the Infiniti EX?

Stage 1 on the Infiniti EX 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 Infiniti EX 35 (3.5i V6) 295 hp done?

The full remap cycle for the Infiniti EX — 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 Infiniti EX?

The original Infiniti EX 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 Infiniti EX 35 (3.5i V6) 295 hp?

The cost of Stage 1 for the Infiniti EX 35 (3.5i V6) 295 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