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      12-07-2019, 07:17 AM   #816
ctemkin
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Drives: 2018 M240i
Join Date: Sep 2017
Location: Washington, DC

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Quote:
Originally Posted by BEM-S4 View Post
I'll post a detailed writeup with photos when I do my F23 in a week or so. F31 I did quickly and didn't take any pics. Process is the same for both.

Reach out to TechnicPNP for the wiring solution, depending on your aftermarket amp might be a little different than what I used.
Unfortunately, TechnicPNP responded that your harness was a one-off. That is too bad, since it is a PITA to have to swap the amps on order to get the car's programming upgraded. I am surprised that Bavsound does not offer such a harness as an alternative when you get an amp from them.
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