McLaren 675LT 3.8 T 675 hp — Stage 1 file (+25 hp)

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Chip tuning for McLaren 675LT 3.8 T 675 hp ECU

McLaren 675LT (2015) 3.8 T 675 hp — luxury petrol engine of the passenger segment of the McLaren Automotive group (Великобритания, 1985). Stage 1 chip tuning raises power from 675 to 700 hp (+25 hp, +4%) and torque from 700 to 750 Nm (+50 Nm). ECU — Bosch ME17.8.32. Flashing method: OBD or Bench depending on the unit's protection. The 2015 generation — mid-generation petrol ECUs (MEDC17/MEVD17/Simos PCR), OBD flash on production revisions.

McLaren grew out of the McLaren Racing F1 team. Sport, GT, Super and Ultimate are the brand's model series. McLaren is a British supercar manufacturer, founded in 1985. Top-tier McLaren models have significant potential with a track calibration. McLaren's petrol range uses its signature V8 BiTurbo engines. The McLaren Speedtail is a hybrid combining its own V8 with an electric motor.

The McLaren community is an ultra-premium track segment and a narrow niche. With the right hardware, McLaren comfortably reaches Stage 2. Top-tier McLaren engines sit at the power ceiling of the British track segment.

Frequently asked questions

What power gain do you get after chip tuning the McLaren 675LT 3.8 T 675 hp?

After Stage 1 the power of the McLaren 675LT 3.8 T 675 hp rises from 675 to 700 hp, a gain of 25 hp (+4%). Torque rises from 700 to 750 Nm (+50 Nm).

How does Stage 1 differ from stock on the McLaren 675LT?

Stage 1 chip tuning of the McLaren 675LT is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +25 hp with no hardware changes.

What is the Stage 1 potential of the McLaren 675LT 3.8 T 675 hp?

Stage 1 for the McLaren 675LT 3.8 T 675 hp unlocks the potential built in by the factory but artificially capped to meet mass-market targets. A base of 750-800 hp is achievable once hardware is added.

How much does Stage 2 add on the McLaren 675LT?

Stage 2 on the McLaren 675LT 3.8 T 675 hp means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.

Which ECU is fitted to the McLaren 675LT 3.8 T 675 hp?

The McLaren 675LT 3.8 T 675 hp ECU is the Bosch ME17.8.32. Production versions support OBD access; locked variants require Bench (BDM/JTAG).

What happens to the McLaren 675LT warranty after chip tuning?

The factory warranty of the McLaren 675LT 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 McLaren 675LT take?

On the McLaren 675LT 3.8 T 675 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 McLaren 675LT?

Yes, the original ECU firmware of the McLaren 675LT 3.8 T 675 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 McLaren 675LT?

Stage 1 for the McLaren 675LT 3.8 T 675 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