BMW i4 2021–2024 — technical service bulletin
Bulletin B612523 · NHTSA communication 10244504 · issued Oct 25, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2024
model years
10
vehicle entries
Official summary
The purpose of this Service Bulletin (SIB) is informational regarding DC (direct current) charging complaints on Gen 5 Battery Electric Vehicles (BEV). It serves as a supporting argument and is intended to help distinguish between a standard designed function or component operation from an actual system fault in a DC charging customer complaint (i.e., â  DC Not charging or â  DC charging too slowâ  . Helpful â  Tips and Tricksâ  have been included on each topic within the document that can be used as reference to aid in the diagnosis or in understanding the system. The situation
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.