BMW 3-Series (E90 E92) Forum - View Single Post - Bluetooth Retrofit: E90 335i with iDrive, Phone prep, Voice control, and USB

pnickisson · 04-16-2012, 05:30 AM

I am just about to do this install...the question I have is in relation to pin 21.....I have the wire in there...but does it connect to anything? or does it just hand loose so to speak?

04-16-2012, 05:30 AM	#29
pnickisson New Member 0 Rep 8 Posts Drives: 330d M Sport Join Date: Oct 2011 Location: Manchester iTrader: (0)	I am just about to do this install...the question I have is in relation to pin 21.....I have the wire in there...but does it connect to anything? or does it just hand loose so to speak?
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