2010 BMW 5 Series N20B20/N52K (F10)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Timing chain issues reported mainly on early N20 engines
• High-pressure fuel pump failures on N20
• Cooling system leaks on N52 engines

First checks

• Check for oil leaks around valve cover and oil filter housing gasket
• Inspect timing chain tensioner noise
• Check condition of turbocharger (N20 engine)

Before replacing parts

• 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 528i nameplate was used in 2010 mostly with a 3.0L I6 in Europe and Asia, while North America started receiving the 2.0L turbo inline-4 late in the model year.
• Oil capacity includes oil filter change (service-fill). Variants exist depending on market and engine.