BMW 330I 2016–2019 — technical service bulletin
Bulletin B610919 · NHTSA communication 10163050 · issued Jun 1, 2019
Technical service bulletin
communication type
Electrical System
component
2016–2019
model years
12
vehicle entries
Official summary
SERVICE ACTION: CHECKING THE SIGNAL WIRE AT POWER DISTRIBUTION BOX. The lithium-ion battery in the dual storage system is connected to the terminal 30C to enable issuing a switch-off command in the event of a crash.
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.