2016 BMW 4 Series 428i N20B20 (F32)
F32 / Coupe (also Convertible and Gran Coupe variants in 4 Series line) / Global (major markets including USA, Europe, Asia; minor variations exist by region)
N20B20Fiche exacte année/versionSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- High-pressure fuel pump issues in some models
- Oil leak from valve cover gasket
- Water pump and thermostat failures after extended use
First checks
- Inspect turbocharger operation
- Check VANOS timing chain tension and noise
- Verify no coolant leaks
Avant de remplacer des pièces
- 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
- 428i replaced by 430i in some markets after 2016 model year
- Power output and fuel type (petrol) consistent globally though emissions setups vary
- Minor equipment and drivetrain differences exist based on regional regulations