2012 BMW 6 Series 650xi N63B44O0/N63B44O1 (E63 (coupe), E64 (convertible))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump failures
• Timing chain guide wear leading to rattling noise
• Oil leaks from valve cover gaskets and VANOS seals

First checks

• Verify maintenance records for servicing of timing chain and fuel system
• Inspect for oil leaks around engine block and valve covers
• Check turbochargers and charge air piping for leaks or damage

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 650xi features BMW's xDrive AWD system combined with the 4.4L twin-turbo V8.
• Power and equipment vary slightly by market due to emissions and regulations.