BMW 330I 2019 — technical service bulletin
Bulletin B610319 · NHTSA communication 10160264 · issued Apr 1, 2019
Technical service bulletin
communication type
Electrical System
component
2019
model years
4
vehicle entries
Official summary
SERVICE ACTION: PROGRAM OR REPLACE DUAL STORAGE SYSTEM BATTERY. A software error intermittently causes a continuous resetting of the microcontroller in the power management system. This causes the red Check Control Message (CCM) "Replace Battery" to be illuminated. Software error in Dual Storage System Battery.
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.