BMW 530E 2016–2019 — technical service bulletin
Bulletin B121619 · NHTSA communication 10161554 · issued May 1, 2019
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
19
vehicle entries
Official summary
ERRONEOUS ELECTRIC FAN FUNCTION FAULT STORED IN THE DME. The following faults may be erroneously stored in the Digital Motor Electronics (DME): And: There is no customer-facing vehicle symptom(s) or related check control message displayed. A software error may cause these faults to be erroneously 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.