BMW 8-serie XDrive40i 340 hp — Stage 1 file (+80 hp)
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Stage 1 file for BMW 8-serie XDrive40i 340 hp
Target +0 hp. Custom development for your engine.
Chip tuning for BMW 8-serie XDrive40i 340 hp ECU
BMW 8-serie (2019 - G15-G16-G14) XDrive40i 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 420 hp (+80 hp, +24%) and torque from 450 to 580 Nm (+130 Nm). ECU — Bosch MG1CS201. Flashing method: OBD or Bench depending on the unit's protection. TCU units on this engine: ZF 8HPxx, ZF 8HPxx-Gen3 — each is calibrated with a separate file (torque limiter, shift maps for Stage 1). In the CHIPOK database: 3 configurations · 3 ECU variants. A 2019 petrol engine — the latest era of encrypted firmware; OBD access is available on production units, Bench on sport models.
M GmbH is BMW's performance division, building M engines since 1972. 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.
The gearbox comes in versions by torque class, so its tolerance depends on the engine. BMW's main gearbox is a modern multi-speed automatic. Mini and FWD compacts use a different TCU platform with its own tooling base.
Frequently asked questions
What power gain do you get after chip tuning the BMW 8-serie XDrive40i 340 hp?
Stage 1 chip tuning on the BMW 8-serie XDrive40i 340 hp boosts engine output by 80 hp: from 340 to 420 hp. Torque rises from 450 to 580 Nm (+130 Nm).
What changes in the BMW 8-serie ECU after Stage 1?
Stage 1 chip tuning of the BMW 8-serie is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +80 hp with no hardware changes.
Is Stage 1 safe on the high-output BMW 8-serie XDrive40i 340 hp?
Stage 1 on the powerful BMW 8-serie XDrive40i 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 8-serie?
Stage 2 for the BMW 8-serie XDrive40i 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.
Which ECU is fitted to the BMW 8-serie XDrive40i 340 hp?
The BMW 8-serie XDrive40i 340 hp ECU is the Bosch MG1CS201. Production versions support OBD access; locked variants require Bench (BDM/JTAG).
How many TCU units does the BMW 8-serie XDrive40i 340 hp have?
The BMW 8-serie XDrive40i 340 hp comes with 2 different automatic-transmission TCU units: ZF 8HPxx, ZF 8HPxx-Gen3. Each is calibrated with a separate file — torque limit, shift maps and launch control rpm for Stage 1.
What happens to the BMW 8-serie warranty after chip tuning?
The factory warranty of the BMW 8-serie 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 8-serie take?
On the BMW 8-serie XDrive40i 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 8-serie?
Yes, the original ECU firmware of the BMW 8-serie XDrive40i 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 8-serie?
Stage 1 for the BMW 8-serie XDrive40i 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.