BMW i8 2014–2017 — technical service bulletin
Bulletin B110717 · NHTSA communication 10136709 · issued Dec 1, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2017
model years
7
vehicle entries
Official summary
FAULT 118002 - MIXTURE TOO RICH SETS DURING WINTER WITH COLD AMBIENT TEMPERATURES: The Service Engine Soon (MIL) light is on with the following fault stored in the DME.
Vehicles covered
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.