BMW 320I 2012–2018 — technical service bulletin
Bulletin B612817 · NHTSA communication 10146715 · issued Jun 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2012–2018
model years
39
vehicle entries
Official summary
"SME FAULT CODE 21F04B. One or several of the following check control messages (CCM) may be displayed: ""Engine fault! Power loss"" (CCM-ID: 29) ""Powertrain malfunction!"" (CCM-ID: 633) ""Hybrid system malfunctioning!"" (CCM-ID: 585) Note: The fault code 21F04B stated below may also be entered without any of the above mentioned CC messages being displayed A timing problem between the SME and the cell supervision circuit (CSC)."
Vehicles covered
- 2013 BMW 320I
- 2014 BMW 320I
- 2015 BMW 320I
- 2016 BMW 320I
- 2017 BMW 320I
- 2014 BMW 328D
- 2015 BMW 328D
- 2016 BMW 328D
- 2017 BMW 328D
- 2012 BMW 328I
- 2013 BMW 328I
- 2014 BMW 328I
- 2015 BMW 328I
- 2016 BMW 328I
- 2016 BMW 330E
- 2017 BMW 330E
- 2017 BMW 330I
- 2012 BMW 335I
- 2013 BMW 335I
- 2014 BMW 335I
- 2015 BMW 335I
- 2016 BMW 335I
- 2016 BMW 340I
- 2017 BMW 340I
- 2018 BMW 530E
- 2017 BMW 530I
- 2018 BMW 530I
- 2018 BMW 540D
- 2017 BMW 540I
- 2017 BMW 550I
- 2016 BMW 750LI
- 2013 BMW Activehybrid 3
- 2014 BMW Activehybrid 3
- 2015 BMW Activehybrid 3
- 2017 BMW F800 R
- 2017 BMW R1200 S Adventure
- 2017 BMW R Nine T
- 2016 BMW X5
- 2017 BMW X5
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.