BMW 3-Series (E90 E92) Forum - View Single Post - DIY: Retrofitting a Professional HU with USB and Bluetooth

woodpecka · 12-07-2012, 08:17 PM

If you have the phone prep, you can access the fzd microphone harness into the junction box and join the microphone wires to the radio.

This is my plan. Anybody did it before?

12-07-2012, 08:17 PM	#111
woodpecka Captain Drives: E91 Join Date: May 2010 Location: Montreal Posts: 936 iTrader: (2)	If you have the phone prep, you can access the fzd microphone harness into the junction box and join the microphone wires to the radio. This is my plan. Anybody did it before?