primer question...

i have a question of anyone could answer...i just started painting
my car.. yes i bondo'd, and sanded and wet sanded i even wet sanded
in between coats of primer but my primer is still bumpy and a lil
uneven....does anyone know of any tricks? or something i may have
missed??? help would be much appreciated!!
thanks :)

what kind of spray gun are you using? make sure your doing light coats. use a block sander when sanding.