Originally Posted by JHS
Originally Posted by S1
You need to use a softer media than sand/grit for magnesium or else you'll end up with cavities.
Try talking to these people for advice, these are the ones PaulR recommended to me to get my Magnesium OZ's done.
http://www.alloywheelrepairs.com/index.htm
They are the ones he
does not recommend...

They made a mess of one of his wheels I think.
I'd like to know more as I've a set ready to go off? They are the guys he recommended to me ages ago. What went wrong?