hopefully the weather holds up tommorow to give the car a good going over(metro blue sri) after washing 2 bucket method its going to be clayed and washed again.i have ag srp and bmw polish which is really easy to apply and remove hardly any dust when buffing but the question is about protection.
in my cleaning kit i have
bmw hardwachs (liquid)
megs tech wax
z***l cleaner wax
which should i use and in what combination