2008 VOLKSWAGEN PASSAT RNS315 SAT NAV CD RADIO STEREO UNIT 5P0035191D SEAT LEON WILL THIS FIT MY 64 PLATE 1.2 DSG ROOMSTER IF I GET A CODE FOR IT  ? 

Although the RNS315 units are fundamentally the same, I believe that they have different shaped front plates to fit into the different models' dashboards.  My 13 plate Roomster has a factory fit RNS315  Amundsen+, hopefully the attached photos will help you to assess whether the one you are considering will fit.

 

ok thanks looks the same