2017 BMW 6 Series 640i N55B30 (F12 (Convertible) / F13 (Coupe))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump wear
• Turbocharger wastegate rattling
• Coolant leaks from water pump or thermostat housing

First checks

• Inspect oil consumption and leaks
• Check turbocharger response and noises
• Verify infotainment and electronic control unit updates

Vor dem Teiletausch

• 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 640i was replaced by updated 6 Series model in some markets starting 2017 but remained available with F12/F13 configuration in others until 2018.
• Engine and specs may vary slightly depending on emissions regulations and market-specific tuning.