Subject N55
BMW technical service bulletin 123914 for 2013-2015 BMW 335I, 2013-2015 BMW 535I and 2014-2015 BMW 428I and others.
- Bulletin number
- 123914
- Component
- Engine
- 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
Owners of these vehicles have filed 124 complaints in the engine category.
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