2010 BMW M6 S85B50 (E63 (Coupe) / E64 (Convertible))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• SMG transmission mechatronics wear
• High maintenance cost for V10 engine
• Valve stem seal wear causing oil consumption

First checks

• Inspect SMG system fluid and sensors
• Check for oil leaks around valve covers
• Verify condition of cooling system hoses and radiator

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 M6 E63/E64 was produced globally with identical engine specs but variations in transmission availability depending on market.
• No significant mid-year changes were reported for 2010; data reflects model year specifications.
• Oil capacity includes replacement of oil filter for service fill.