BMW X5 2019 — technical service bulletin
Bulletin B512318 · NHTSA communication 10152666 · issued Nov 1, 2018
Technical service bulletin
communication type
Structure
component
2019
model years
1
vehicle entries
Official summary
SERVICE ACTION: RESEAL UNDERBODY BAFFLES. Under certain conditions when driving through water, the underbody baffles may not completely prevent water ingress. Incorrect sealer application during production.
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.