Yeah
Send it to BK.
I wouldnt advise doing it yourself. I've done it with Epi pickups: the wax is a pain to get off. They now have some minor scratches (minor cos I'm handy with a loose stanley knife balde). In future I'll be using mild heat of some sort and a suitable solvent, but where the condition of a set of loverly BKs is invloved, hand it over to the pros