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      09-10-2019, 08:57 PM   #5
tracer bullet
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Drives: '11 135i , '15 X3 35i
Join Date: May 2011
Location: Saint Paul, MN

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Agreed at least to not give up. I do believe the head unit can be coded to a different setup, and then you can use line level outputs (without any built in equalization nonsense) to power an amp and a typical setup afterwards. 8" under the seat, 4's in the door, tweeters in new sail panels, a trunk sub if desired, and so on.

I had some dealings in the past with MusicarNW and was super happy. Explained all my options and eventually sent a totally plug & play kit for amp upgrade and sub. I think the guy went by "VP Electricity" here. I'd suggest sending him a message or calling the shop. Local options may be good too.
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