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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 320I 2011–2014technical service bulletin

Bulletin 120113 · NHTSA communication 10150159 · issued Nov 1, 2013

Technical service bulletin
communication type
Engine
component
2011–2014
model years
25
vehicle entries

Official summary

MN16 Engine: FC 2D9B Knock Sensor, Signal Is Stored in the DME. Certain areas of the US experience extremely cold climate conditions during the winter months, which can cause the Service Engine Soon lamp to illuminate while the engine temperature is increasing to full operating temperature. The following fault may be stored in the DME: ??FC 2D9B Knock Sensor, Signal CAUSE Unfavorable DME knock sensor diagnostic at outside ambient temperatures below -5° C

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.