2023 BMW 430i B48B20M0 (G22 (coupe)/G23 (convertible))
G22 (coupe)/G23 (convertible) / Coupe / Convertible / Global (notably Europe, USA, select Asia-Pacific markets)
B48B20M0Registro exacto de año/versiónGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Carbon buildup on intake valves (direct injection typical)
- Water pump and thermostat failures after ~100,000 km
- Turbocharger wastegate rattle (rare)
First checks
- Oil level and condition
- Coolant system pressure test
- Check transmission fluid level if applicable
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
- Technical specifications can vary by market due to emissions and tuning differences.
- Oil and fluid capacities depend on engine variant and service procedures; always verify with official BMW service manuals.