BMW 530I 2016–2018 — technical service bulletin
Bulletin B612717 · NHTSA communication 10149258 · issued May 1, 2017
Technical service bulletin
communication type
Electrical System
component
2016–2018
model years
6
vehicle entries
Official summary
"In-stock, new vehicle instrument cluster displays the red CCM ""Replace Battery"". ? Improper handling of the vehicle/storage maintenance of the battery charge. ? Defective battery Note: The red CCM comes on when the state of charge of the battery drops to 30%. At this point the battery is heavily discharged and needs to be replaced."
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.