after trauling the net it could end up being the Bose amplifier thats the fault any one have a diagram of the set up with the bose ect
?

Guy take a look at the Front Information Display Control Head (J523) - it's the master control unit for the Infotainment System. I've emailed a link to a PDF to your email +++

thanks Neil will take a look +++

That PDF Neil is fantastic its one of the best and most informative PDF's that i have ever had for the D3 thank you very much

Also what is this mistery box in the boot ?

it has 3 expantion bays on it like you can add some sort of cards or chips or something

was just wandering what it is because there was some water inside it ?

http://i866.photobucket.com/albums/a...9062012933.jpg

http://i866.photobucket.com/albums/a...9062012934.jpg

http://i866.photobucket.com/albums/a...9062012935.jpg

you pull out the black plastic protectors and there is a connection on the bottom too add things ?

sorry to be a pain in the ass but i think i just answered my own question your PDF has it on there and its Primaraly the radio tuner but the bay's on there are for the speech control module meaning thats why my voice control was not working because the module is missing from the boot for some reason its just gone and it has the option for the voice control so i may get hold of A8 parts and see what i can get +++

I think that part is lot more than just a radio tuner, the one you have is listed as discontinued but its replacement has this as its description.

AUDI Factory(OEM) Becker K-Box Navigation Control Module

http://www.ebay.com/itm/AUDI-A6-A8-S...-/170847906684

Oh yea good find there mannyo ! dam and at that price i only want the card to slot into mine,
i wander why its missing ?

Could have fried in the past as I think SDS was standard on D3. But it's one of the main boxes for the MMI. Interesting to see how water got into it!

Give it a couple of hours on the radiator and see how it goes.

just be careful Guy if you do end up getting one from the US - not sure they are exactly the same due to frequency differences etc +++
Glad the PDF was useful!

This link to an article might be useful for the voice control bit - http://a6retrofit.tripod.com/article...cecontrol.html