BMW i3 2014–2015 — technical service bulletin
Bulletin 613614 · NHTSA communication 10148189 · issued Dec 1, 2014
Technical service bulletin
communication type
Electrical System
component
2014–2015
model years
4
vehicle entries
Official summary
Service Action: Replace Neck Warmer Control Unit. The control unit for the rear seat neck warmer may not be coded correctly. This causes the neck warmer to malfunction. Incorrect coding of the neck warmer control unit
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.