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      09-19-2018, 01:57 PM   #8
jra85
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Drives: 2011 E92 M3 ZCP
Join Date: May 2010
Location: Long Island, NY

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Quote:
Originally Posted by RM3NIAN View Post
I tried charging it with a battery tender and tried jumping it with a friend's car but both were to no avail.
It's possible a failing EDC module is causing excessive battery drain if that was never replaced on your car. That's what had happened to mine and I had to get it flatbedded to the dealer to repair (that was my thread that's linked above asking how to put DCT into neutral with a dead battery).
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