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      01-02-2013, 01:48 PM   #2
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Drives: BPMsport 2012 E92 M3
Join Date: Jun 2011
Location: Kansas

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Originally Posted by 09GT View Post
I have a 2008 M3 sedan with premium audio and can't seem to find the exact answer I'm looking for in "Search".

I have a setup from my old car, its a OEM 10" Kicker powered sub from my old SRT8. It has a really easy wiring harness, that needs to be grounded, connected to the battery, then has self tapping connectors that need a signal from a positive and negative speaker.

Does anyone have a diagram of where I could tap into some speaker/ sub wires from the trunk?

You cannot do this on the M. You will need an LOC for what you are looking to do along with Technic's harness.
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