BMW i3 2014–2018 — technical service bulletin
Bulletin B540116 · NHTSA communication 10151107 · issued Feb 1, 2016
Technical service bulletin
communication type
Visibility
component
2014–2018
model years
5
vehicle entries
Official summary
Delivery Stop: Sunroof. Possible Leak.
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.