N63: Service Engine Soon Lamp (MIL) Is On with Fault 1D2008 Stored
BMW technical service bulletin 121813 for 2009-2014 BMW 750LI, 2011-2014 BMW 550I and 2009-2014 BMW 750I and others.
- Bulletin number
- 121813
- Component
- Engine
- 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
Owners of these vehicles have filed 163 complaints in the engine category.
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