I arrive at CDG (2C, I believe) on Continental 54, flying BusinessFirst, at 11:25, and need to transfer to AF 7638 to Biarritz, departing 13:30.

how will checked baggage be handled?
what's the fastest way through immigration and between terminals?
is there any special treatment for BusinessFirst?
do I have time to stop in the arrivals lounge for a shower?
any other advice?

Thanks!