Sorry to hear it man, thieves should be made examples of...
The only thing to remove the tune without the AP is to have the dealer flash your car with the BMW software or find someone local with an AP and have them instal over your flash and then uninstall it. It will flash a "generic" stock ROM into the DME.
"I'm not surprised you get along well with all the other neighbours. If you put fifty children with Down's syndrome in a room there is going to be a lot of hugging." David Thorne