BMW X3 2026 — service campaign
Bulletin B120426 · NHTSA communication 11030333 · issued Mar 27, 2026
Service campaign
communication type
Electrical System
component
2026
model years
1
vehicle entries
Official summary
Delivery stop: harness routing
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.