2009 BMW 128i N52B30 (E82)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Water pump failure due to plastic impeller
• Valve cover oil leaks
• Electric water pump control issues

First checks

• Verify water pump operation and leaks
• Check valve cover gasket for oil seepage
• Inspect VANOS system for faults

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

• 2009 BMW 128i was primarily sold in North America, with some exports to other markets where right-hand drive was not mandatory.
• Engine specifications and transmission options may vary slightly by market; this profile represents the main North American configuration.