2021 BMW 745e B58B30M0 + synchronous electric motor (G12L)
G12L / Sedan (Long Wheel Base) / Global (select markets including Europe, China, USA)
B58B30M0 + synchronous electric motorRegistro exacto de año/versiónGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Battery aging in hybrid system
- High voltage system checks recommended at intervals
First checks
- High voltage battery health
- Cooling system integrity
- Brake system wear
Antes de cambiar piezas
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- 745e combines a B58 3.0L inline-6 turbo petrol with an electric motor integrated into the transmission.
- Market variations exist in battery capacity and electric-only range depending on emission regulations.
- Oil capacity includes service-fill with filter change; consult local dealer for exact fluid specifications.
- Sold primarily in Europe, China, USA; not all markets received this plug-in hybrid version in 2021.