How to find a dead comfort access handle on a BMW?

If you battery is dying, your handles act out, comfort access glitches and you don't know what's causing it - follow these steps. Takes 60 seconds per handle. Same steps are used to replace BMW door handles.
Join Discord for more: / discord

[@Mus-Doc]

Link to the door handles?

[@asking_for_a_friend]

Check Aliexpress, look for F10 comfort access handles

[@Mus-Doc]

@@asking_for_a_friend thanks