BMW Z4 G29 - 2019 - 2022 M40i 340hp
Real standard and upgraded performance figures for the M40i 340hp engine in the BMW Z4 G29 - 2019 - 2022.
These are real standard and Stage 1 (and where available, Stage 2) figures for the BMW Z4 G29 - 2019 - 2022 M40i 340hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 340 | 500 |
| Stage 1 | 400 | 580 |
| Stage 2 | 430 | 620 |
- Make
- BMW
- Model
- Z4
- Generation
- G29 - 2019 - 2022
- Engine
- M40i 340hp
- Fuel type
- Turbo-Petrol
Frequently asked questions
Is Stage 1 tuning safe for the BMW Z4 G29 - 2019 - 2022 M40i 340hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the M40i 340hp make after tuning?
Standard output is 340 HP / 500 Nm; Stage 1 on this engine typically reaches 400 HP / 580 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a BMW Z4 G29 - 2019 - 2022 M40i 340hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the M40i 340hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.