?N20 AND N26 ENGINE: HIGH PITCHED WHINING NOISE FROM LOWER ENGINE AREA . Whining noise from the lower...
BMW technical service bulletin B110317 for 2012-2014 BMW 328I, 2011-2014 BMW X3 and 2012-2014 BMW Z4 and others.
- Bulletin number
- B110317
- Component
- Engine
- Summary
- ?N20 AND N26 ENGINE: HIGH PITCHED WHINING NOISE FROM LOWER ENGINE AREA . Whining noise from the lower engine area near the engine oil pump that increases frequency when increasing the engine RPM. Wear on the engine oil pump chain drive sprockets.
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