BMW 228I 2012–2018 — technical service bulletin
Bulletin B110317 · NHTSA communication 10186213 · issued Dec 1, 2020
Technical service bulletin
communication type
Equipment
component
2012–2018
model years
44
vehicle entries
Official 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.
Vehicles covered
- 2014 BMW 228I
- 2015 BMW 228I
- 2016 BMW 228I
- 2013 BMW 320I
- 2014 BMW 320I
- 2015 BMW 320I
- 2016 BMW 320I
- 2017 BMW 320I
- 2018 BMW 320I
- 2012 BMW 328I
- 2013 BMW 328I
- 2014 BMW 328I
- 2015 BMW 328I
- 2016 BMW 328I
- 2017 BMW 330I
- 2014 BMW 428I
- 2015 BMW 428I
- 2016 BMW 428I
- 2012 BMW 528I
- 2013 BMW 528I
- 2014 BMW 528I
- 2015 BMW 528I
- 2016 BMW 528I
- 2013 BMW X1
- 2014 BMW X1
- 2015 BMW X1
- 2012 BMW X1 Sav
- 2013 BMW X1 Sav
- 2014 BMW X1 Sav
- 2015 BMW X1 Sav
- 2013 BMW X3
- 2014 BMW X3
- 2015 BMW X3
- 2016 BMW X3
- 2017 BMW X3
- 2015 BMW X4
- 2016 BMW X4
- 2017 BMW X4
- 2018 BMW X4
- 2012 BMW Z4
- 2013 BMW Z4
- 2014 BMW Z4
- 2015 BMW Z4
- 2016 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.