BMW X3 2019 — technical service bulletin
Bulletin B520618 · NHTSA communication 10150031 · issued Sep 1, 2018
Technical service bulletin
communication type
Structure
component
2019
model years
1
vehicle entries
Official summary
?COLD DRAFT AROUND ISOFIX ANCHOR BRACKET TRIMS. At low ambient temperatures (below freezing), when the heating and air conditioning system is set to recirculate the cabin air, a cold draft can be felt coming out of the trims around the ISOFIX child seat anchor brackets in the rear seat. Air gap around ISOFIX trim.
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.