Our bumper, w/s will use heat gun to soften the plastic and press back into shape, then they apply some kind of putty or cement to level the surface and respray. May not get back original smooth level. I mean, if look at certain angles, especially light reflections on the bumper, you can see the slight variations of the surface level. But not obvious unless look very closely. Probably cost you $120-150. I repaired mine in Autobay Kaki Bukit.
