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      01-11-2020, 09:36 PM   #1
RagtagXMASTER
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Drives: 2013 M6
Join Date: Jul 2018
Location: Boston MA

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M6 battery change

Well it was a day that was unavoidable. My battery in my M6 was dead. I bought a odyssey battery group 49-950 from FCPeuro and decided to take a few pictures and capture the results. The battery is a little shorter than the BMW battery, but fits and the hold down engages it although its not great. I also think my car had a couple battery drains on it from my exhaust controller and CTEK battery sense.

If anyone wants instructions.

It is pretty easy to do the replacement. undo the bracee held down with 13mm bolts. undo the negative post, 8mm. unplug all the cables on the battery distribution box that plug into it, you can leave the two other bolted on cables connected. undo the 13mm bolt holding the distribution box to the battery terminal post. move the distribution box out of the way, undo the 8mm on the positive post. remove the battery and replace. do all the steps in reverse order to connect it back up.
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