2008 BMW 328xi N52B30 (E90)
E90 / Sedan / Wagon / North America, Europe, selected global markets
N52B30Registro exacto de año/versiónGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- High-pressure fuel pump failures in cold climates
- Valve cover gasket leaks
- Wastegate rattle in turbocharged variants (not applicable here)
First checks
- Check VANOS system functionality
- Inspect cooling system hoses and thermostat
- Check oil level frequently due to potential leaks
Antes de cambiar piezas
- 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
- 328xi denotes xDrive all-wheel drive version of 328i in the E90 generation
- N52 engine used in 2008 globally; slight power variations by region due to emissions and tuning
- No turbocharged engine in standard 328xi for 2008 model year