2002 BMW 5 Series M54B25/M52TUB25 (early 2002 in some markets) (E39)
E39 / Sedan / Global, with main availability in Europe, North America, and select other markets
M54B25M52TUB25 (early 2002 in some markets)Exakter Jahres-/Varianten-DatensatzSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Vanos unit wear causing rough idling
- Cooling system component failures
- Rear subframe bushing wear
First checks
- Inspect cooling system including expansion tank
- Check VANOS operation
- Verify suspension bushings condition
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
- This profile covers the main global markets; some variation in engine tuning and emissions exist.
- The 525i was offered with the M54 engine starting in model year 2001 or 2002 depending on market.