BMW 530I 2016–2018 — technical service bulletin
Bulletin B340116 · NHTSA communication 10146538 · issued Feb 1, 2017
Technical service bulletin
communication type
Service Brakes
component
2016–2018
model years
6
vehicle entries
Official summary
"?DYNAMIC STABILITY CONTROL (DSC) WARNING LAMP, LIGHTS UP This Service Information bulletin supersedes SI 34 01 16 dated October 2016 . Various ""DSC warning lamps lights up in the instrument cluster, including the display: ""Suspension control system failed"". DSC control unit."
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.