BMW X1 2016–2017 — technical service bulletin
Bulletin B511716 · NHTSA communication 10151366 · issued Jun 1, 2016
Technical service bulletin
communication type
Visibility
component
2016–2017
model years
4
vehicle entries
Official summary
Whistling Noise from Exterior Mirror. With the windows closed, a whistling noise is heard from one or both exterior mirrors at speeds over 50 mph. Excessive gap between exterior mirror mounting and door.
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.