BMW 330I 2019–2020 — technical service bulletin
Bulletin B610420 · NHTSA communication 10172496 · issued Feb 1, 2020
Technical service bulletin
communication type
Steering
component
2019–2020
model years
3
vehicle entries
Official summary
COMFORT ACCESS & COMFORT GO DO NOT WORK SPORADICALLY IN WARM TO HOT TEMPERATURE: At warm to hot outside temperatures (above 60C° F) the customer may complain that the Comfort Access and Comfort Go sporadically don't work. Vehicle can be opened by pressing the remote control unlock buttons and- Engine start is possible by placing the remote control key on the steering column ring antenna. The situation corrects itself after the vehicle goes to sleep or cools down. At warm to hot outside temperatures there may be a temporary interruption in communication between the comfort access functions in t
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.