2012 BMW 640i N55B30 (F12 (convertible) / F13 (coupe) / F06 (Gran Coupe))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High pressure fuel pump failure
• Valve cover gasket leaks
• Water pump and thermostat failures

First checks

• Inspect HPFP operation
• Check for oil leaks especially valve cover and oil filter housing
• Coolant system pressure test

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

• Engine N55B30 was the primary engine worldwide in 2012, but power output may vary slightly by market due to emissions regulations.
• Available body styles include coupe, convertible, and four-door Gran Coupe, each designated by specific chassis codes F12, F13, and F06 respectively.