I've ordered the slide out tray

http://www.briskoda.net/forums/article.php?a=43 he is my write in the FAQ's the whole setup cost

There seem to be loads of liners listed in ETKA, and it isn't clear to me which would be suitable.The shelf/stowage compartment lower listed in the FAQ is PN 6Y0 858 332 47H onyx. Rubber packings which might go with that include:

6Y0 857 938C 63L - grey

6Y0 857 938C 1SQ - beige

I suggest you consult a dealer. Oh, and the price is