2019 BMW 4 Series 440i B58B30M0 (F32/F33/F36)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump wear
• Electric water pump failures
• Oil leaks around valve cover gasket

First checks

• Inspect cooling system and water pump
• Check oil level and condition regularly
• Monitor for turbocharger performance issues

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

• The 440i replaces the 435i with significantly revised B58 engine from 2016 onward, continued in 2019 model year.
• Available markets vary; manual transmission mainly in Europe, automatic predominates in North America and Asia.
• Oil capacity includes filter change; service-fill volume recommended for maintenance.