I have struggled several days to reflash my Apple MacBook Air Superdrive.
All flashing methods didnt work. Error flashing etc …
Superdriver USB enclosure is your problem!
Open external enclosure.
Here is how to:
Strip it from all metallwork, ribs, etc … actualy few bolts.
Get more or less any portable computer with CD.
Put this Apple CD in portable computers slot.
Flash as normaly described.
p.s. make sure you have realy small philips screwdriver.