2008 BMW 128i N52B30 (E82)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Discharge Valve failure in the electric water pump
• Oil leaks from valve cover gasket
• CCV (Crankcase Ventilation) issues causing rough idle

First checks

• Inspect electric coolant pump operation
• Check VANOS system for proper actuation and fault codes
• Verify oil level and condition frequently

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

• 2008 was the introductory model year for the BMW 128i in the North American market, replacing the 130i.
• Global availability mostly limited to North America; some markets had other 1 Series variants.
• The 128i does not have a diesel engine offering in 2008.