Otherwise, the attachment is alone something difficult but not impossible. This is ultimately to the form, because it becomes noticeable halt to more than a meter wide, if you have only 1 ° set wrong. Since the film can, yes, but not for, on the contrary, it helps immensely that the film does not immediately sticks like crazy upon contact, but come off again and start again leaves.
So certainly suitable for protecting the paint, but to preserve the appearance rather not. Hopefully, the film can remove even without limits even after many years, because it is necessary to be in front of resale.
The appearance is a matter of taste, I have placed the film on a black bumper because it is matte it looks a bit by van, but is ultimately Geschmachssache.