BMW i5 eDrive40 (2023) 340 hp — Stage 1 file (+40 hp)

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Chip tuning for BMW i5 eDrive40 (2023) 340 hp ECU

BMW i5 (2023) eDrive40 (2023) 340 hp — premium petrol engine of the passenger segment of the BMW Group (Mini, Rolls-Royce, BMW Motorrad) group (Германия, 1916). Stage 1 chip tuning raises power from 340 to 380 hp (+40 hp, +12%) and torque from 400 to 500 Nm (+100 Nm). A 2023 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.

BMW's slogan is “Sheer Driving Pleasure”. Third-party flash platforms are an industry of their own for the BMW community. The BMW petrol range spans the mainstream segment and the sporting M-series. High-output BMW turbo petrol engines deliver a solid gain with Stage 1 on stock hardware.

The BMW community is renowned for active tuning and a large pool of available Stage files. Stage 1 on BMW usually stays within the standard timeframe, with no particular difficulty on the standard models. Protection on top BMW models is the toughest in the group and requires Bench. The BMW premium segment is a high-output platform with Stage 2 potential. The hardware headroom allows a confident move to Stage 1 without changing the turbo. High-output engines deliver a solid gain with Stage 1 on stock hardware.

Frequently asked questions

How many horsepower does the BMW i5 eDrive40 (2023) 340 hp reach after a remap?

Stage 1 chip tuning on the BMW i5 eDrive40 (2023) 340 hp boosts engine output by 40 hp: from 340 to 380 hp. Torque rises from 400 to 500 Nm (+100 Nm).

What changes in the BMW i5 ECU after Stage 1?

Stage 1 chip tuning of the BMW i5 is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +40 hp with no hardware changes.

Is Stage 1 safe on the high-output BMW i5 eDrive40 (2023) 340 hp?

Stage 1 on the powerful BMW i5 eDrive40 (2023) 340 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 much does Stage 2 add on the BMW i5?

Stage 2 for the BMW i5 eDrive40 (2023) 340 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 happens to the BMW i5 warranty after chip tuning?

The factory warranty of the BMW i5 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 BMW i5 take?

On the BMW i5 eDrive40 (2023) 340 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 BMW i5?

Yes, the original ECU firmware of the BMW i5 eDrive40 (2023) 340 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 BMW i5?

Stage 1 for the BMW i5 eDrive40 (2023) 340 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: 01.09.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno