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RecallGazette

Vehicle problems, recalls & safety intelligence

BMW 330E 2017–2021technical service bulletin

Bulletin B610121 · NHTSA communication 10187478 · issued Jan 1, 2021

Technical service bulletin
communication type
Electrical System
component
2017–2021
model years
38
vehicle entries

Official summary

BATTERY DOES NOT CHARGE WITH EXTERNAL CHARGER AND CLOSED HOOD: After the vehicle has been charged using a 12 V charger with the hood closed during a long stationary period, the 48 V battery may be totally discharged, and possible replacement is needed.

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.