Infiniti G 35 (3.5i V6) 309 hp — Stage 1 file (+11 hp)

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Chip tuning for Infiniti G 35 (3.5i V6) 309 hp ECU

Infiniti G (2007) 35 (3.5i V6) 309 hp — premium petrol engine of the passenger segment of the Renault-Nissan-Mitsubishi Alliance group (Япония, 1933). Stage 1 chip tuning raises power from 309 to 320 hp (+11 hp, +4%) and torque from 355 to 370 Nm (+15 Nm). ECU — Hitachi BEDxxx/MECxxx. Flashing method: OBD or Bench depending on the unit's protection. A petrol engine built in 2007 — 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

How much horsepower does Stage 1 add for the Infiniti G 35 (3.5i V6) 309 hp?

Stage 1 chip tuning on the Infiniti G 35 (3.5i V6) 309 hp boosts engine output by 11 hp: from 309 to 320 hp. Torque rises from 355 to 370 Nm (+15 Nm).

What changes in the Infiniti G ECU after Stage 1?

Stage 1 on the Infiniti G 35 (3.5i V6) 309 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 +11 hp with no hardware changes.

What does Stage 1 give on the powerful Infiniti G 35 (3.5i V6) 309 hp?

Stage 1 on the powerful Infiniti G 35 (3.5i V6) 309 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 G 35 (3.5i V6) 309 hp?

Stage 2 for the Infiniti G 35 (3.5i V6) 309 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 G 35 (3.5i V6) 309 hp run?

The control unit of the Infiniti G 35 (3.5i V6) 309 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 G?

Stage 1 on the Infiniti G 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 G 35 (3.5i V6) 309 hp done?

The full remap cycle for the Infiniti G — 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 G?

The original Infiniti G 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 G 35 (3.5i V6) 309 hp?

The cost of Stage 1 for the Infiniti G 35 (3.5i V6) 309 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