2023 BMW 540i B58B30M0/B58B30M1 (G30 (long-wheelbase for some markets))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump issues in some markets
• Turbocharger wastegate rattle

First checks

• Verify software updates during service
• Inspect valve cover gasket for potential leaks

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

• North American market 540i in 2023 used slightly different emissions calibrations; engine specs broadly similar but not detailed here.
• Long-wheelbase G30 variant sold primarily in China and select Asian markets.