2009 Audi A6 BPW (2.0 TFSI I4)/BMK (3.2 FSI V6) (4F)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain tensioner failures on 2.0 TFSI if not maintained
• Oil leaks from valve cover gaskets and camshaft seals
• Water pump and thermostat failures in high mileage

First checks

• Verify timing chain condition and noise
• Check for oil leaks around valve covers
• Inspect cooling system components for leaks

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

• Production of the C6 A6 ran 2004-2011; 2009 marks a facelift year with updated front/rear styling and updated engine electronics.
• Global market variations exist, with diesel engines commonly sold in Europe and petrol engines more common in North America and some Asian markets.