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      01-02-2013, 11:21 PM   #2
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Drives: 2015 320i
Join Date: Apr 2005
Location: Ft Lauderdale, Florida

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Seriously, dude... search. This MULF BT coding, hardware install and activation have been covered from all angles, posibilities and modes too many times to count.

Originally Posted by ign335i View Post
I have been planning on doing a BT retrofit and just recently bought a used TCU, BT Antenna, and Mic from a forum member. My car is a 2008 E92 with nav. I went into the trunk tonight to confirm that I had voice wiring already. To my surprise in the trunk I found an MULF2 hi. I guess this is a good thing, but now I am quite confused on how to proceed since all the documentation I read was for the TCU.

Couple questions:

1. This can do BT right?
2. If so, do I till need to install the BT antenna and mic?
3. There were extra uninstalled cables next to the MULF2. Do I need to plug those into something? Do I need to reconfigure the MOST junctions?
4. Why do I have the BT unit but no BT enabled?