BMW X3 2018–2021 — technical service bulletin
Bulletin B630720 · NHTSA communication 10187481 · issued Jan 1, 2021
Technical service bulletin
communication type
Structure
component
2018–2021
model years
15
vehicle entries
Official summary
FRONY DOOR PANEL LED FAILURES: The LED light on the front door is not working. Due to the orientation of the LED module, moisture may enter the LED module, causing corrosion.
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.