650CS dead

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650CS dead

Postby pajacobsen » Fri Jun 21, 2013 7:29 pm

My 650 CS is dead... I mean dead.

Battery got juice -- charger and outlet plug shows power, voltage drops when key is turned.

Everything else just d-e-a-d. No lights, no noise (including clicking,) no nothing.

Ideas?
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Re: 650CS dead

Postby pajacobsen » Fri Jun 21, 2013 7:32 pm

P.S. All external fuses look good. Also, I see no voltage on the external fuse box....
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Re: 650CS dead

Postby Aether » Fri Jun 21, 2013 8:33 pm

Grounding problem?
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Re: 650CS dead

Postby Chiba » Sat Jun 22, 2013 8:01 am

Battery cable connections?
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Re: 650CS dead

Postby Georgeinva » Sat Jun 22, 2013 10:47 am

pajacobsen wrote:Battery got juice -- charger and outlet plug shows power, voltage drops when key is turned.

From what to what? Sound like a dead battery or poor conection
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Re: 650CS dead

Postby Ted » Sat Jun 22, 2013 2:46 pm

Reminds me of when the battery in my K75 went bad. Would happily charge on the Battery Tender, stuff would light up as normal when the key was turned, hit the starter button and everything would go dead except for the RPM gauge which would slowly climb to 4k then slowly return. I could jump start it but hit the horn and it would immediately die. New battery fixed it.

Too bad battery bug was sued out of business!
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Re: 650CS dead

Postby Wild Pig » Sun Jun 30, 2013 12:16 pm

Try load testing the battery or drop in a known good one and see what happens. It may have enough to show power but not enough to crank over. Low batteries sometimes do funny things to BMWs.
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