Upon returning home from a month long trip I go to drive my e30 only to find that the battery was completely dead. No lights or anything. This has happened before and I used a charger. However it wasn't available at the time so one of my friends offered to jumpstart my car. Initially they connected the cables with reverse polarity. It was only for a short time. Maybe 20 seconds but I think this is when all the damage was done. After fixing the cables the car started fine but I noticed that my tachometer, the fuel economy gauge, the obc, the radio and my interior lights were not working. It is as if they have no power going to them. I drove the car around for about 25 minutes like this to get the battery charged up and the car seemed to drive fine.
If anyone has any suggestions on what I can do to remedie this it would be greatly aprreciated.
If anyone has any suggestions on what I can do to remedie this it would be greatly aprreciated.
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