BMW 330I 2016–2019 — technical service bulletin
Bulletin B840819 · NHTSA communication 10163058 · issued Jun 1, 2019
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
12
vehicle entries
Official summary
APPLE CARPLAY: WI-FI DISCONNECTS AND DOES NOT RECONNECT This Service Information bulletin replaces SI B84 08 19 dated May 2019.
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.