BMW 550I 2009–2014 — technical service bulletin
Bulletin 121813 · NHTSA communication 10150162 · issued Nov 1, 2013
Technical service bulletin
communication type
Engine
component
2009–2014
model years
22
vehicle entries
Official summary
N63: Service Engine Soon Lamp (MIL) Is On with Fault 1D2008 Stored. Under certain low-load driving conditions at low outside ambient temperatures, the following fault may be stored in the DME with the Service Engine Soon lamp (MIL) on: Fault 1D2008 - Map thermostat, mechanical: jammed open. However, the thermostat is found to be operating correctly with sufficient heat output from the climate control system, and the engine is operating at the correct temperature. Unfavorable DME software diagnostic
Vehicles covered
- 2011 BMW 550I
- 2012 BMW 550I
- 2013 BMW 550I
- 2014 BMW 550I
- 2010 BMW 550I Gran Turismo
- 2011 BMW 550I Gran Turismo
- 2012 BMW 550I Gran Turismo
- 2012 BMW 650I
- 2013 BMW 650I
- 2014 BMW 650I
- 2009 BMW 750I
- 2010 BMW 750I
- 2011 BMW 750I
- 2012 BMW 750I
- 2013 BMW 750I
- 2014 BMW 750I
- 2009 BMW 750LI
- 2010 BMW 750LI
- 2011 BMW 750LI
- 2012 BMW 750LI
- 2013 BMW 750LI
- 2014 BMW 750LI
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.