BMW 330I 2018–2019 — warranty extension
Bulletin B011624 · NHTSA communication 11013037 · issued Jan 16, 2025
Warranty extension
communication type
Electrical System
component
2018–2019
model years
9
vehicle entries
Official summary
The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty.
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.