bare metal needs to be pre wiped then etch primerd, after this you need to applie a 2K primer once you have block sanded the 2k primer your ready for base coat or 2k soild, you need to pre wipe the car again, an mask the car up ready for paint, tag rag an applie some base coat dont use water base, you need to have dryers for waterbase, tag rag between coats, once the base coat is all applied tag rag agin an applied your clear coat