Question about 1999 BMW Z3

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How can i tell if my alternator needs replacement? Car is 2.5 roadster

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Easiest way is to take it to autozone or a place of the same sort, NAPA or whatever you have near. They can plug it up to a little connector and tell you within minutes if its bad. Generally if your alternator is bad, it wont charge your battery and will cause other functions to not be able to be used due to not enough juice in the battery. You may see the stereo not work or air conditioning or whatever. The same place that checks your alternator can also check your battery. Every place I have had mine checked has been free and is really quick.

Posted on Dec 27, 2010

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Hi,

Thanks for using Fixya!

Sounds like you have an alternator problem. The alternator may have gone bad due to non use. Some parts inside may have rusted out and got damaged. Better bring your car to your local mechanic and have the alternator checked.

Have a wonderful day.
- HotRatchet

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