2005 BMW 5 Series N52B25 (E60)
E60 / Sedan, Touring (market-dependent) / Global including Europe, North America, Asia (with variations)
N52B25Exact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Valve cover gasket leaks
- Electronic throttle issues due to Valvetronic system
- Water pump and thermostat wear
First checks
- Check for oil leaks around valve cover and oil filter housing
- Inspect cooling system for leaks and thermostat function
- Check condition of spark plugs and ignition coils
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 525i in 2005 was primarily powered by the N52 engine globally but power outputs and emissions equipment can vary with market.
- Sedan and Touring body styles were not available in all markets; check specific market configurations.