BMW X5 2016 — technical service bulletin
Bulletin B640216 · NHTSA communication 10151189 · issued Mar 1, 2016
Technical service bulletin
communication type
Equipment
component
2016
model years
1
vehicle entries
Official summary
Humming/Buzzing Noise from Passenger Side Dashboard. There is a humming or buzzing sound from the passenger side dashboard. This noise only subsides when the entire heating and A/C system is shutoff. The A/C refrigerant shutoff valve is creating a harmonic sound which is resonating into the passenger compartment.
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.