BMW M4 2015–2016 — technical service bulletin
Bulletin B510815 · NHTSA communication 10151412 · issued Aug 1, 2015
Technical service bulletin
communication type
Equipment
component
2015–2016
model years
2
vehicle entries
Official summary
Retrofit for Missing Rear Seat Through-Load Option. The rear seat through-load capability is 100% standard option for F83 (M4 Convertible) 2015 model year. Some vehicles may have this option is missing.
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.