BMW i3 2014–2019 — technical service bulletin
Bulletin B640419 · NHTSA communication 10160292 · issued Apr 1, 2019
Technical service bulletin
communication type
Electrical System
component
2014–2019
model years
10
vehicle entries
Official summary
INTERMITTENT HEATER OUTPUT. Intermittently the vehicle has no heater output.
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.