Hi guys, so i have 2005 e60 diesel, one month ago the plus power cable was changed because it was rotten, further more i have a new agm battery and recently guys at the servise found that car’s bluetooth was draining the power they unplugged the safety catch, few weeks later and my car is dead again. I cant start it. Generator works properly. Any help with this problem?

 

Check the charging histogram using INPA or a BMW Code reader.