2021 BMW 530e B48B20O0 (petrol)/Electric MGU (G30)
G30 / Sedan / Global (notably Europe, North America, China)
B48B20O0 (petrol)Electric MGUExact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Battery capacity degradation over years
- High voltage component cooling system checks recommended
- Typical hybrid system electronics issues under warranty
First checks
- Hybrid battery health and management system diagnostics
- High voltage cable and connector inspection
- Coolant levels for hybrid system
Before replacing parts
- 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
- Hybrid system and power output have minor variations by market (e.g. US vs Europe)
- Oil capacity includes service-fill quantity with filter change
- This profile reflects main production version globally; minor local adaptations may exist