Had this happen also. If you join the Aus 'MODROK' facebook page there's a whole write on on how to do it there. As above just buy the metal bracket...
Dragging up an old thread but have been thinking a bit more about this. Still love the tuned TSI, gone a bit more offroad style with some Walkinshaw...
It looks nice hey. This is the Walkinshaw Performance W580S Amarok front bar+grille here in Australia. The guy who built this bought a wrecked W580S...