BMW X1 2016–2017 — technical service bulletin
Bulletin B640317 · NHTSA communication 10146768 · issued Sep 1, 2017
Technical service bulletin
communication type
Equipment
component
2016–2017
model years
4
vehicle entries
Official summary
"AIR CONDITIONING COOLING IS INSUFFICIENT. * A/C system is not providing sufficient cooling and the vehicle switch is NOT in ""Eco Pro"" position. * A/C system contains little or no A/C refrigerant. Contaminants under O-ring seals have allowed refrigerant loss."
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.