BMW TSB #B110317

2015 BMW X4

TSB Document:

Affected Component: EQUIPMENT

Summary
N20 AND N26 ENGINE TIMING CHAIN AND OIL PUMP DRIVE CHAIN: 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 and timing chain sprockets.

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Date Published
DEC 01, 2020
NHTSA TSB #
10186213
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