2015 BMW 528i N20B20/N52B30 (some early 2015 markets) (F10)
F10 / Sedan / Global (noting variations by region for engine codes and transmissions)
N20B20N52B30 (some early 2015 markets)Exact year/trim recordGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Turbocharger wastegate rattle (N20)
- Oil leaks at valve cover gaskets
- High-pressure fuel pump issues
First checks
- Check for oil leaks around valve cover and oil filter housing
- Inspect turbocharger boost delivery for N20
- Monitor transmission operation and fluid condition
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 528i nameplate transitioned from a 3.0L inline-6 to a 2.0L turbo inline-4 in 2012; by 2015, most global markets had the N20 engine except some regions offering the N52.
- Market differences affect transmission availability and engine oil capacity slightly.