2012 BMW 128i N52B30 (E82)
E82 / Coupe / North America, select global markets
N52B30Fiche exacte année/versionSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- High-pressure fuel pump failures on some N52 engines
- Water pump and thermostat failures leading to coolant leaks
- Valve cover gasket oil leaks
First checks
- Inspect oil leaks around valve cover and oil filter housing
- Check water pump and coolant level for leaks
- Listen for VANOS unit rattling noise
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
- BMW 128i was primarily sold in North America and select global markets in 2012. It was not officially offered in Europe with this designation after 2011.
- Oil capacity includes service fill volume with filter change.
- Some markets may have variations in available transmissions.