BMW i8 2014–2018 — warranty extension
Bulletin B010924 · NHTSA communication 11015848 · issued Mar 13, 2025
Warranty extension
communication type
Fuel/propulsion System
component
2014–2018
model years
7
vehicle entries
Official summary
The High-Voltage (HV) Battery Assemblys Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 10 years / 120,000 miles as determined from the original in-service/first delivery date
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.