BMW 330I 2019 — technical service bulletin
Bulletin B511219 · NHTSA communication 10160340 · issued Apr 1, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
3
vehicle entries
Official summary
KIDNEY GRILL ACTIVE AIR FLAP FAULTS. A check control message or MIL (Malfunction Indicator Lamp) may be illuminated.
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.