BMW M340i G20: Stage 3, 800+ hp
Stage 3: power up from 387 to 800+ hp, torque from 500 to 1125+ Nm.
Modifications
- Upgraded hybrid turbocharger
- ECU and TCU software
- Dorch Stage 2 HPFP for E65 fuel
- Water-methanol injection (WMI)
- Charge pipe
- Camshafts
- Intercooler
- Reinforced gearbox
- Reinforced valve springs and retainers
The same tune fits every BMW with the B58 engine: 140i, M140i, 240i, M240i, 340i, M340i, 440i, M440i, 540i, 640i, 740i, 840i, X3 M40i, X4 M40i, X5 40i, X6 40i.
All parts and software for this build are available in the RaceHub store.
Tuning stages
| Parameter | Stock | Tuned | Gain |
|---|---|---|---|
| Power | 387 hp | 800+ hp | +413 |
| Torque | 500 Nm | 1125+ Nm | +625 |
| 0–100 km/h | 4.2 s | 2.4 s | −1.8 |
| 100–200 km/h | — | 4.6 s | |
| 1/4 mile | — | 9.6 s |