Newbie here. Just purchase a new to me 05 A6. This is our second A6 and really enjoy the car. This car came without the sirius satellite receiver and I am having a hard time finding the right one for this car. The dealer wants an arm and a leg so vthought I would try here. The part # I am told I need is 4 EO 910593-B. If anyone has one for sale I would be interested. Also if you know of an alternate part number that would work I'm all ears. The car has nav and tire pressure monitoring.
Thanks for looking and your replies.

 

Have a look here.

On EBay: new or used