Originally Posted by Nathan_h
You mean installing the Combox obviates the need to wire a mic and antenna, but with the MULF one has to add the mic and antenna?
Take a detailed look at the link posted before, that will tell you everything needed for a Combox install/swap.
-2015 F30 320i, Imperial/Oyster, 8AT: August 2014 ED
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-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone