BMW X5 2014–2016 — technical service bulletin
Bulletin B640215 · NHTSA communication 10147150 · issued May 1, 2015
Technical service bulletin
communication type
Equipment
component
2014–2016
model years
5
vehicle entries
Official summary
A/C Makes Unusual Whistling Noise from Center Vents. An unusual whistling noise can be heard coming from the center vent area for approximately15 seconds after the A/C is switched on. CAUSE Evaporator in the A/C system
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.