BMW 230I 2014–2018 — technical service bulletin
Bulletin B120818 · NHTSA communication 10136333 · issued Mar 1, 2018
Technical service bulletin
communication type
Electrical System
component
2014–2018
model years
24
vehicle entries
Official summary
ROUGH RUNNING AND VARIOUS VANOS FAULTS STORED: The check engine light is illuminated and the vehicle may run rough at idle and while driving.
Vehicles covered
- 2017 BMW 230I
- 2018 BMW 230I
- 2017 BMW 330E
- 2017 BMW 330I
- 2016 BMW 340I
- 2017 BMW 340I
- 2017 BMW 430I
- 2018 BMW 430I
- 2017 BMW 440I
- 2018 BMW 440I
- 2017 BMW 530I
- 2018 BMW 530I
- 2018 BMW 540I
- 2016 BMW 740LI
- 2017 BMW 740LI
- 2014 BMW i8
- 2015 BMW i8
- 2016 BMW i8
- 2017 BMW i8
- 2017 BMW M240I
- 2018 BMW M240I
- 2016 BMW X1
- 2018 BMW X1
- 2018 BMW X3
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.