I'm not sure about the channels, but refer to realoem.com for comparison of the window regulators themselves. This will tell you at least if the glass is interchangeable. If not, replacement of the regulators and glass would be necessary. Prepare for increased noise- the dual pane glass is very quiet.
It's not what you buy, it's what you build- Unknown
EN90283 - Stabled for HG repair
DH06247 - Running like a champ