BMW i3 2014–2019 — technical service bulletin
Bulletin B660118 · NHTSA communication 10150896 · issued Sep 1, 2018
Technical service bulletin
communication type
Electrical System
component
2014–2019
model years
22
vehicle entries
Official summary
"?REMOTE KEY WILL NOT OPEN OR START VEHICLE. Remote key battery in service significantly less (under a year) than expected two-year life-span. Remote key will NOT: * Open/close vehicle door locks * Start engine (except when held directly against steering column) CC message ""Battery of remote key empty (ID:00067)"" displayed Fault memory entry ""BDC 804415- ID Transmitter: Battery under-voltage"" stored Remote key battery has been drained, possibly by elevated standby current (faulty capacitor). "
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.