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      03-29-2014, 08:27 AM   #13
Ben2k9
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Drives: 2011 BMW 550i M-Sport
Join Date: Jan 2014
Location: Nashville, TN

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Quote:
Originally Posted by Juiced46 View Post
I would remove it first and go from there. I understand it happened at the same time. But it could be coincidence. I am a tech for BMW. We see battery drain issues ALL the time on F10s......
that's good to know. I'm still running the JB4 and haven't had the issue in a week, so maybe something has changed. If I get the problem again I'll disconnect it for a while. Terry at BMS claimed there is no known battery drain problem with JB4.
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