2009 BMW M6 S85B50 (E63 (coupe) / E64 (convertible))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• VANOS system issues leading to rough idle
• High oil consumption under aggressive driving
• SMG transmission clutch wear in automated mode

First checks

• Inspect VANOS solenoids
• Oil level and condition (high-performance engine requires strict maintenance)
• SMG transmission operation and fluid level

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

• Markets with manual transmission option include mainly North America and Europe; other regions predominantly offered SMG only.
• Engine oil capacity includes service-fill and filter change; exact values may slightly vary by market and service conditions.