Quote:
Originally Posted by BoominBimmer
I am wanting to add a sub. Going with self amplified JL 12 400 watt. Question is I want a clean signal thus would like to avoid line level speaker outputs. First has anyone else added a sub? Second, What are you options for signal tap? In my old car I was able to tap the balanced line outputs and run it to jl balanced to unbalanced converter then run rcas to my amp. This is the Harmon Kardon on M3 G80 2021. Also any links to wire pin outs would be great.
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I think platform is too new for feedback here, I would check the g20 M340i forum I'll bet some people have done it there.