I'd like to have your rubber and the metal fitting below it then

No, I don't know the answer to your question. I think, however, that the front bumper is quite easily smoothed out using any glass fiber repair kit, so traces of the front rubber mounting aren't visisble any more.
- Anders
... after browsing the forum, I came across Brinkies post about his crash and a photo of the rubberless front bumper. I think this answers your question:
