dot matrix

I know this topic has been hit over hundreds of times if not more. My boss, all that he does is scrub with a red scrubbie, would 600 wet sand be better than do the glue afterwards? Had a bmw m3 it was 08 i believe, dots looked like crap, glued it still not too good, hit it with the red scrubbie on second try it looked better, but not like it should of, should i hit them with 600, then let hang dry then apply film or 600, then dry hit with glue, please help with this...Thanks...

what was wrong with the glue the first time? I've never had an issue with it. Try doing the 600 then let dry and glue. The sanding should help the glue stick better

last M3 i did was similar, 600 works way better than the red scrubbie for it. I made a cut on either side of the brake light and did each side seperate and the glue worked fine, but it sounds like you answered your own question.

I dont like cutting around brakelights but on that car, it makes it easier to do the glue.