BMW X3 2018–2020 — technical service bulletin
Bulletin B111219 · NHTSA communication 10170569 · issued Dec 1, 2019
Technical service bulletin
communication type
Engine and Engine Cooling
component
2018–2020
model years
5
vehicle entries
Official summary
MALFUNCTION INDICATOR LAMP IS ILLUMINATED WITH A CRANKSHAFT ADAPTION FAULT: When diagnosing an illuminated malfunction indicator lamp (MIL) and/or a different issue the following faults may also be stored in the Digital Motor Electronics (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.