BMW X5 2026 — service campaign
Bulletin B180126 · NHTSA communication 11036378 · issued Aug 14, 2026
Service campaign
communication type
Engine
component
2026
model years
1
vehicle entries
Official summary
An exhaust gas sealing ring between thelower catalytic converter and upper catalyticconverter may be missing (1).
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.