2016 BMW 320i B48B20O0/N20B20 (F30)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump failure on N20 engine
• Oil leaks from valve cover gasket
• Timing chain wear (mostly early N20 models)

First checks

• Inspect for fuel system recalls
• Check oil consumption levels
• Verify timing chain tensioner condition for N20 engines

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

• The B48 engine replaced the N20 in many markets from mid-2015 onwards but some markets sold N20-equipped models into 2016.
• Oil capacity figures are approximate and should be confirmed during service as variations exist between markets and production months.