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had similar incident: Lufi reading constant 14.1v until recent audio work which i believe the door being opened and probably drain some battery but its only a 1hour job lol
now the lufi read
12.4 - 12.8 when u give input to gas
brake doesn't immediately increase but coasting increases to 14.1-14.3
and similarly to Author, whenever i signaled/ open close window, open door (after drive), it increases to 14.1-14.3v
was told this is normal how BER works for E9X M3 but whats puzzling me was why it was constant 14.1v previously
intending to use ctek to charge my 5months old battery later
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