Sounds like a voltage issue with you. Search here how to unlock OBC, then run the voltage test. Monitor your voltage while driving. I have a feeling your voltage regulator is shot, and you get overvoltage.

How old is your battery?

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2006 4.8is, Black on White. SOLD Sniff Sniff.

2017 F85 x5m, Black on Red. BEAST MODE


"The older we grow the greater becomes our wonder at how much ignorance one can contain without bursting one's clothes." - Mark Twain

Unlock OBC post 5