I noticed that Z32s have this problem with the rear bumper...If you notice the curve in the bumper right over the license plate, we all seem to have this not-smooth curve right there, this is specially noticeable in his 2nd pic because of the lighting. Depending on the light angle, I have that same problem with my bumper. Is that due to morons hitting my car while trying to park behind me? Has anyone tried to correct this with a metal brace riveted to the inside of the bumper for example?