BMW 428I 2014 — technical service bulletin
Bulletin SIB340717 · NHTSA communication 10214955 · issued Jun 1, 2017
Technical service bulletin
communication type
Service Brakes
component
2014
model years
1
vehicle entries
Official summary
Visual Inspection of brake discs/Rotors for new c ar deliveries
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.