BMW AccessPORT Getting Started page 4

3. Plug the male OBDII plug from the AccessPORT into the uncovered OBDII port.
4. Connect the small end of the OBD-II cable to the 10 pin port on the bottom of the AccessPORT.
5. Make sure the clasp on the OBD-II cable firmly engages the tab on the 10 pin port.