2024 BMW 330e B58B30M1 (petrol)/S58F30T0 (hybrid electric motor) (G20)
G20 / Sedan / Europe, USA, China (market-dependent specs)
B58B30M1 (petrol)S58F30T0 (hybrid electric motor)Exact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- High voltage battery capacity decreases with age
- Hybrid system software updates necessary for optimal performance
- Brake wear accelerated due to regenerative braking system
First checks
- High-voltage battery health status via BMW diagnostic tool
- Hybrid cooling system leaks or malfunctions
- Transmission electronic system fault codes
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
- Specifications and power outputs vary by market due to emissions and homologation differences
- Hybrid system uses a lithium-ion battery located in the trunk floor, approximately 12 kWh usable capacity