The Connects2 in car Bluetooth Interface connects to the CD changer port located on the reverse of your car stereo, for high quality sound without interference. Audi A3 - approx 2005 onwards with radios that have an active AUX function and Quadlock connector at the rear. Before I'd have to keep opening the glove box to skip songs since you have to leave your phone plugged in. I'm now not sure, if the 20pin block connector is removed (assuming it's present, I don't have a cd changer) what functionality do I lose?

Audi Bluetooth streaming adapter for Audi A3 A5 A6 A7 A8 AMI Audi Bluetooth streaming adapter for Audi A3 A5 A6 A7 A8 AMI

Control your mobile device through your Audi car stereo or steering wheel controls (Adjust volume, change track, fast forward etc). This Audi in car Bluetooth streaming interface is compatible with all popular smartphones and mobile devices including Apple iPhones, Android, Windows Mobile, Sony, HTC, Blackberry, Samsung etc. Larger items (2kg plus) - Larger items are sent via a courier and this is also FREE to UK mainland address. Audi A8 – 1999 - 2004 with factory fitted Audi radio including Concert I and II, Chorus I and II, Symphony I and II and RNS-D (early) Navigation. Just plug and play - plus you get a USB charging point, Aux-in jack and mic jack with included mic for handsfree.

If you swopped your Chorus Cassette head unit for the Concert CD one, the CD changer connector is still on the back, so your personal nirvana is within reach! USB port to charge your device on the move (USB to micro-USB, USB to iPhone-iPad 30 pin, and 8 pin etc).

Bluetooth Wireless Music Cable Compatible with Audi AMI/MDI Bluetooth Wireless Music Cable Compatible with Audi

Plug-and-Play receiver uses your car's audio system so you will be able to use the MMI volume up/down and mute controls on the dashboard and on your steering wheel. You lose the CD connection but as said by others, why would you want 6 CD's when you can have your whole collection! Audi A2 – 1997 - 2005 with factory fitted Audi radio including Concert I and II, Chorus I and II, Symphony I and II and RNS-D (early) Navigation. Please ensure that the make, model and year of your vehicle matches the above and that your car has the suitable connector to take the plug pictured above. Audi TT - approx 2006 onwards with radios that have an active AUX function and Quadlock connector at the rear.Looking at the description of the suspect device, it says when the source is usb memory, that it only supports 6 folders with 99 files in each.