Originally Posted by bikecat
I've worked with these before. After the chrome is removed, there is another layer of nice shiny metal that can only be removed by blasting (chemical dip will affect the spokes).
Unless the spokes are removed and then the rim can be treated. The re-spoking will have be done then, likely by Woodys or one of the other few BMW wheel rebuilders.
We have blasted and than powder coated them most of the time.