BMW 330I 2019 — technical service bulletin
Bulletin B640719 · NHTSA communication 10165264 · issued Aug 1, 2019
Technical service bulletin
communication type
Equipment
component
2019
model years
4
vehicle entries
Official summary
NO INTERIOR HEATING FUNCTION WITH REMOTE START. Customer states that when the vehicle is started using Remote Engine Start the vehicle interior does not heat up despite customer heater settings. Software error in the automatic air conditioning control unit (IHKA).
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.