BMW 330I 2019 — technical service bulletin
Bulletin B661219 · NHTSA communication 10160295 · issued Apr 1, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
5
vehicle entries
Official summary
LOCKING AND UNLOCKING WITH DIGITAL KEY NO LONGER FUNCTIONS. After programming the vehicle it is suddenly not possible to unlock or lock the vehicle using the Digital Key or the Digital Key Card. Software error in the Body Domain Controller (BDC) control unit.
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.