hi there iv just bought a black M-Tech front bumper and want to prep and spray it the same colour as my car (boston green). does anyone now step by step how to paint it. it iv done some hunting on web but everybody says something diffrent. iv got spray gun and have sprayed littel things like wing mirrows.
but never relly got paintwork relly shiney.
do i just sand old black paint off and start again or just scuff it up???