N52B30 engine
The N52B30 engine is fitted to 2 generation(s): BMW 5 Series, BMW X5.
Common problems and what to check
Engine: BMW N52 (3.0)
- hydraulic lifter tapping
- valve cover gasket and filter housing leaks
- electric water pump failure
What to check when buying: knocking when cold; oil traces; water pump errors.
Tip: Change oil every 7–10k km, not per the onboard computer.