bmw E60 needs intempesstive synchronization

[SKYTON]

bmw E60 needs intempesstive synchronization cas with dme
knowing that the battery sensor is removed and 2 battery are mounted to prevent discharge
the default occurs spontaneously.
I ask your opinion on this problem.
is that the case must be change or other solution?
tool used fvdi
help

[fast7850]

what diagnostc you have
use launch or abritus or fvdi or standard bmw diagnosic is very easy

[SKYTON]

thankyou freind
yes i did it whit fvdi and it s ok but it come after some days