BMW 428I 2014–2016 — technical service bulletin
Bulletin 613414 · NHTSA communication 10147619 · issued Jan 1, 2015
Technical service bulletin
communication type
Seats
component
2014–2016
model years
8
vehicle entries
Official summary
"?This Service Information bulletin supersedes SI B61 34 14 dated December 2014. PERFORM THE PROCEDURE OUTLINED IN THIS SERVICE INFORMATION ON ALL AFFECTED VEHICLES BEFORE CUSTOMER DELIVERY OR THE NEXT TIME THEY ARE IN THE SHOP FOR MAINTENANCE OR REPAIRS. designates changes to this revision SUBJECT Service Action: Replace Neck Warmer Control Unit. The control unit for the front seat neck warmers may not be coded correctly. This causes the neck warmer to malfunction. Incorrect coding of the neck warmer control unit AFFECTED VEHICLES This Service Action involves F33 and F83 vehicles produced to
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.