Ok. This is a true story. I had a BMW old style 318 i think it was, about 15 years ago. Anyway, it had no battery, so i jump started it, and taped the battery cables up with electric tape. About 2 hours into driving to my destination, sun was setting------- The BIGGEST blue light flash you ever saw. EVER. When I could see again it was 3 AM and I was on the side of the road, far ahead of when I saw the flash. Electrical system in the car was totally done. *No drugs involved*.
To this day I wonder what happened. I'll just leave this here.

THIS 320i