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Discussion Starter #1 (Edited)
So basically as the title states out, my bmw e39 cranks but no dashboard ligths come on besides Airbag which is on always even when the ignition is off, and fuel pump doesn't come on. Any recommendations? I've tried changing the ignition switch but didn't help.
This may be helpful: So I was driving down the highway and suddenly I hear a "peeping" sound, the peeping went quicker and quicker and suddenly I hear a big "peeeeeeeep" and the car switched it self off, Parked the car and wanted to switch it back on and noticed no dashboard lights coming on. The car's radio turns on but that's about it, No air conditioner or anything.
 

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Which codes do you have?
No messages on dashboard before this happened?
You are sure oil is not too low, just a thought.
Fuses?
 

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2001 BMW E39 540i Automatic Sedan, 192 K miles
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Those may be symptoms of a failed alternator and/or battery....Check them out, and make sure all electric connections are clean and tight.
 
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