2020 BMW 540i B58B30M0/B58B30O0 (G30)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump wear (B58 engine)
• Turbocharger wastegate rattle over time
• Complex electronic system faults

First checks

• Inspect turbocharger and oil supply for leaks
• Check VANOS system operation and timing chain stretch
• Verify no coolant leaks and proper coolant level

Avant de remplacer des pièces

• 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

• The 540i was offered in several global markets, including North America, Europe, and China with slight engine specification variations.
• No manual transmission was generally available for the 540i globally in 2020.
• Oil capacity includes service fill with oil filter replacement.