Question about BMW X5
I change battery an alternator an its still is on
Check your manual for what the battery light indicates. It is just a general light for the electrical....not always the battery.
Posted on Mar 26, 2014
The battery light comes on when the alternator isn't charging or because the instrument cluster can't see that the alternator is charging. Make sure the BSD cable is connected and the wire isn't damaged. I have had a new alternator be defective and left the battery light on. If the BSD cable looks ok try another new alternator.
Posted on Mar 27, 2014
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Posted on Jan 02, 2017
theres an anti-theft system. take positive terminal off battery, have someone holding the key on like trying to start it, then put the terminal back on and that should start it right up (had same problem in my dodge ram) if not, check all you're connections
Posted on Aug 16, 2009
Think what your asking
You have the car & we are on the internet !!!
If the battery is 5 years old-- it may have failed
You could test it & then if necessary replace
The alternator has nothing to do with starting & that
also can be checked for voltage & current output,
but not from where we are here at our homes,need
the car to test it
Posted on Dec 01, 2012
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