**Bluetooth Retrofit Guide** for TCU and ULF
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12-06-2013, 02:35 PM
Drives: 2011 328i
Join Date: Nov 2013
Pin #1 from mic goes to #22 on the radio connector. Pin #2 from the mic goes to #17.
I just need to put it all back together and have the head unit coded. I'll post an update later.
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