5-Series (E12,E28, E34, E39, E60)Chat relating to the BMW 5-Series of all generations. Specific models include: BMW 518, BMW 520, BMW 520i, BMW 530i, BMW 528i, BMW 530i, BMW 518i, BMW 524d, BMW 525i, BMW 525e, BMW 528e, BMW 540i, BMW 535i, BMW 520d, BMW 525td, BMW 525d, BMW 530d, BMW 525i/xi, BMW 530i/xi. (BMW 5-Series Forum)
My heater sometimes comes on when the car is off or sometimes when i a driving. The actually display isn't on but sure enough the fan comes on at will and shuts off at will. My battery has already drained a few times because of this and i am just hoping someone would know a fix for this. Sometimes I would get into the car and the heat fan is already on without any power to the car.
Just a quck update.. Battery is dead again.. I ran a volt meter across the batt, reads just under 12. I know its not the alternator since i get a reading of over 14 while engine is running.
I may end up pulling the fuse on the heater to see if this is the reason.
I think my entire climate control system is messed up. It comes on at will.. My outside anbient temp gives false readings somtimes of -30, then it climbs back up to normal temp, sparatically drops back down to 30....
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