BMW 330I 2019 — technical service bulletin
Bulletin B660319 · NHTSA communication 10154758 · issued Feb 1, 2018
Technical service bulletin
communication type
Equipment
component
2019
model years
5
vehicle entries
Official summary
CHECK CONTROL MESSAGE BMW DIGITAL KEY. After exchanging the Body Domain Controller (BDC); the digital keys are no longer correctly displayed in the vehicle's Central Information Display.
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.