Is this what I need to enable bluetooth with an RNS-E, also is it over priced cause some of the prices on ebay are crazy.
http://www.fiscon.co.uk/audi/a4-cab...udi/a4-cabrio/fiscon-audi-basic-quadlock.html
http://www.fiscon.co.uk/audi/a4-cab...udi/a4-cabrio/fiscon-audi-basic-quadlock.html