BMW 335I 2012–2015 — technical service bulletin
Bulletin 340913 · NHTSA communication 10147933 · issued Jan 1, 2014
Technical service bulletin
communication type
Service Brakes
component
2012–2015
model years
4
vehicle entries
Official summary
Brake Squeal. Squeaking noises from the front or rear axle when braking. The squeaking noise when braking may have different causes, depending on the axle.
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.