BMW X5 2020 — technical service bulletin
Bulletin B512220 · NHTSA communication 10178999 · issued Jul 1, 2020
Technical service bulletin
communication type
Structure
component
2020
model years
2
vehicle entries
Official summary
SERVICE ACTION - TIGHTEN UNDERFLOOR BRACING: The underfloor bracing was not correctly tightened by the additional 90 required to meet the torque specification during production. Improper tightening of the underfloor bracing.
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.