2010 BMW Z4 N52B30 (sDrive30i)/N54B30 (sDrive35i) (E89)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• High-pressure fuel pump issues on N54 engines
• Wastegate rattle (N54)
• Valve cover gasket leaks (N52)

First checks

• Inspect turbocharger operation on N54 and N55 engines
• Check VANOS operation and oil leaks
• Verify condition of cooling system hoses and thermostat

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 BMW Z4 E89 was sold globally with some engine variations depending on market emissions requirements.
• The sDrive35is with the N55 engine was introduced in late 2010 and primarily available in North America and Europe.