BMW X1 2016–2019 — technical service bulletin
Bulletin B610719 · NHTSA communication 10161568 · issued May 1, 2019
Technical service bulletin
communication type
Structure
component
2016–2019
model years
4
vehicle entries
Official summary
SERVICE ACTION: BODY DOMAIN CONTROLLER REPLACEMENT. During vehicle production there is the possibility that the cavity preservation wax leaked from the body and dripped onto the Body Domain Controller (BDC) and its wiring harness connector.
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.