2018 BMW 540i B58B30M0/B58B30M1 (G30)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump failures (early model issues)
• Oil leaks from valve cover gasket

First checks

• Inspect timing chain tensioner noise
• Check for oil leaks around valve cover and oil filter housing

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

• Market-specific variations exist in transmission offerings and emissions equipment.
• Hybrid or M Performance versions not covered in this profile.