BMW X3 2020 — technical service bulletin
Bulletin B123119 · NHTSA communication 10170573 · issued Dec 1, 2019
Technical service bulletin
communication type
Electrical System
component
2020
model years
2
vehicle entries
Official summary
DELIVERY STOP: PROGRAM CONTROL UNITS (DME). BMW of North America LLC has issued a Delivery Stop (effective December 5 2019) on certain Model Year 2020 BMW vehicles that were produced between March 2019 and December 2019. An error in the oxygen sensor on-board diagnosis (OBD) may not properly illuminate the malfunction indicator lamp (MIL) when a fault is detected. A software error 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.