2015 BMW 435i N55B30 (F32 (Coupe), F33 (Convertible), F36 (Gran Coupe))

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump failure
• Wastegate rattling
• Valve cover gasket oil leaks

First checks

• Inspect cooling system for leaks
• Check turbocharger boost pressure
• Oil condition and level

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

• Market variations in power output and equipment occur, especially between US and Europe due to emissions and fuel quality.
• Oil capacity includes the filter change volume and is approximate; check specific service manual for exact fill based on engine code and market.