BMW 535I 2010–2017 — technical service bulletin
Bulletin B510316 · NHTSA communication 10151100 · issued Feb 1, 2016
Technical service bulletin
communication type
Power Train
component
2010–2017
model years
16
vehicle entries
Official summary
SUBJECT Noise from the Power Window. When operating front power windows a chattering noise can be heard. Front window regulator is lacking lubrication
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.