Toyota Alphard - Vellfire 3.5i V6 268 hp — Stage 1 file (+10 hp)

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Chip tuning for Toyota Alphard - Vellfire 3.5i V6 268 hp ECU

Toyota Alphard - Vellfire (2008) 3.5i V6 268 hp — mass-market petrol engine of the passenger segment of the Toyota Motor Corporation group (Япония, 1937). Stage 1 chip tuning raises power from 268 to 278 hp (+10 hp, +4%) and torque from 336 to 346 Nm (+10 Nm). The 2008 generation — old-era petrol ECUs (ME7/ME9/MED9/Simos) with easily readable memory.

GR (Gazoo Racing) is Toyota's performance division (GR Yaris, GR Corolla, GR Supra, GR86). The GR Supra uses the BMW B58 straight-six, an unusual turbo engine for Toyota. The Toyota GR-series delivers a solid gain from Stage 1 on the turbo engines. Toyota has historically focused on naturally aspirated, high-compression engines.

Toyota has an active JDM tuning community (GR Supra, GR Yaris, GR86). The Denso ECU is a locked Toyota platform, and most models do not respond to standard chip tuning. The GR models (Yaris GR, Supra) have a growing tuning culture. High-output Toyota GR models sit in the performance segment with solid Stage 1 headroom.

Frequently asked questions

How much does the power of the Toyota Alphard - Vellfire 3.5i V6 268 hp increase after Stage 1?

The Stage 1 gain for the Toyota Alphard - Vellfire 3.5i V6 268 hp is 10 hp (+4%) over the stock 268 hp, for a total of 278 hp. Torque rises from 336 to 346 Nm (+10 Nm).

What is Stage 1 chip tuning for the Toyota Alphard - Vellfire?

Stage 1 chip tuning of the Toyota Alphard - Vellfire is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +10 hp with no hardware changes.

Is Stage 1 safe on the high-output Toyota Alphard - Vellfire 3.5i V6 268 hp?

The high-output Toyota Alphard - Vellfire 3.5i V6 268 hp has a conservative factory calibration aimed at the mass market. Stage 1 unlocks the engine's real potential while turbo and injector life are preserved.

How much does Stage 2 add on the Toyota Alphard - Vellfire?

Stage 2 on the Toyota Alphard - Vellfire 3.5i V6 268 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

What happens to the Toyota Alphard - Vellfire warranty after chip tuning?

The factory warranty of the Toyota Alphard - Vellfire 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 Toyota Alphard - Vellfire take?

On the Toyota Alphard - Vellfire 3.5i V6 268 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 Toyota Alphard - Vellfire?

Yes, the original ECU firmware of the Toyota Alphard - Vellfire 3.5i V6 268 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 Toyota Alphard - Vellfire?

Stage 1 for the Toyota Alphard - Vellfire 3.5i V6 268 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: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno