N55 Engine Does Not Start on First Attempt when Cold
BMW technical service bulletin 121313 for 2011-2013 BMW 535I, 2011 BMW 535I US and 2012-2013 BMW Active Hybrid 5.
- Bulletin number
- 121313
- Component
- Engine
- Summary
- N55 Engine Does Not Start on First Attempt when Cold. The engine turns over but does not start on the first attempt. It will normally start on the second or third attempt, and no faults are stored in the DME. This occurs sporadically, usually at low ambient temperatures and when the engine is also cold. Unfavorable DME software in conjunction with a partially charged battery
Owners of these vehicles have filed 74 complaints in the engine category.
Vehicles covered
- BMW 535I 2011-2013 201120122013
- BMW 535I US 2011 2011
- BMW Active Hybrid 5 2012-2013 20122013
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