To satisfy all that genuine roof bars do work with the panoramic roof as skipton says, here is a link to a pic of one of my A2s with roof bars and bike rack
http://www.a2oc.net/pictures/showphoto.php?photo=1113&cat=11
Glen
http://www.a2oc.net/pictures/showphoto.php?photo=1113&cat=11
Glen