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      11-07-2011, 04:31 PM   #30
Technic
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Drives: 2015 320i
Join Date: Apr 2005
Location: Ft Lauderdale, Florida

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Quote:
Originally Posted by Nathan_h View Post
Yep, that thread is why I asked my question. It looks like the non combox install is just two sets of components: mic and antenna, plus coding. Hard to be simpler, if I am reading that right (which I may not be).
The correct link is on post #19.

Your 2012 E90 does not have any Telephone pre-wire, so forget about any antenna or mic wiring being there. Either you swap the MULF or simply replace it with the OEM Combox retrofit in the glovebox/under passenger carpet.