Your Adaptor is already configurated to work with BMW both K-line and CAN-bus.
Modes of configurator file D-CAN.exe, that is on the CD-disk given in the folder
_D_CAN_USB as follows:
----------------------------------Configuration--------------------------------------------
For configuration interface:
Connect USB cable
Run D-CAN.EXE and setup CAN BUS mode.
LED should OFF
Don't use USB Extender cable, directly connect interface to computer.