BMW 530I 2024–2025 — service campaign
Bulletin B540625 · NHTSA communication 11026953 · issued Dec 3, 2025
Service campaign
communication type
Structure
component
2024–2025
model years
4
vehicle entries
Official summary
Delivery stop: sunroof water drain hose
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.