BMW 320I 2011–2014 — technical service bulletin
Bulletin B110317 · NHTSA communication 10146526 · issued Feb 1, 2017
Technical service bulletin
communication type
Engine
component
2011–2014
model years
25
vehicle entries
Official 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.
Vehicles covered
- 2013 BMW 320I
- 2014 BMW 320I
- 2014 BMW 328D
- 2012 BMW 328I
- 2013 BMW 328I
- 2014 BMW 328I
- 2012 BMW 335I
- 2013 BMW 335I
- 2014 BMW 335I
- 2011 BMW 528I
- 2012 BMW 528I
- 2013 BMW 528I
- 2014 BMW 528I
- 2013 BMW Activehybrid 3
- 2014 BMW Activehybrid 3
- 2012 BMW X1 Sav
- 2013 BMW X1 Sav
- 2014 BMW X1 Sav
- 2011 BMW X3
- 2012 BMW X3
- 2013 BMW X3
- 2014 BMW X3
- 2012 BMW Z4
- 2013 BMW Z4
- 2014 BMW Z4
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.