BMW 335I 2013–2015 — technical service bulletin
Bulletin 123914 · NHTSA communication 10147603 · issued Jan 1, 2015
Technical service bulletin
communication type
Engine
component
2013–2015
model years
18
vehicle entries
Official summary
SUBJECT N55: Engine Briefly Shudders or Runs Erratically After Cold Start. Under certain cold starting conditions, the engine may shudder or run a bit erratically for the first few moments when starting off. This can be felt at an engine speed of approximately 1,500 rpm. No relevant faults are stored in the DME memory. DME software calibration
Vehicles covered
- 2013 BMW 335I
- 2014 BMW 335I
- 2015 BMW 335I
- 2014 BMW 428I
- 2015 BMW 428I
- 2014 BMW 435I
- 2015 BMW 435I
- 2013 BMW 535I
- 2014 BMW 535I
- 2015 BMW 535I
- 2013 BMW Activehybrid 3
- 2014 BMW Activehybrid 3
- 2015 BMW Activehybrid 3
- 2013 BMW Activehybrid 5
- 2014 BMW M235I
- 2015 BMW M235I
- 2014 BMW R1200 S Adventure
- 2015 BMW R1200 S Adventure
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.