BMW 330I 2019 — technical service bulletin
Bulletin B650619 · NHTSA communication 10153771 · issued Jan 1, 2019
Technical service bulletin
communication type
Equipment
component
2019
model years
4
vehicle entries
Official summary
SOUND OUTPUT FAILS COMPLETELY AFTER PROGRAMMING. After programming the vehicle to Integration level (I-level) 18-07-5xx or 18-11-5xx.
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.