I've done 5 coats of z5 and still have some minor scratches in the clearcoat. Can some 3m swirl remover be applied and then resume the zaino process. Will it cause a discoloration or will it return to the awesome zaino finish. I read a post that someone used meguires and it dicolored. If anyone has had any experience with this please reply, I know others are wondereing about this as well.