OBD Protocol for BMW X6

[mbarbera]

Dear all,
could you please help with the following?

Which OBD II Protocol does BMW X6 use among the following?

1)SAE J1850 PWM (pulse-width modulation - 41.6 kB/sec, standard of the Ford Motor Company)
2)SAE J1850 VPW (variable pulse width - 10.4/41.6 kB/sec, standard of General Motors)
3)ISO 9141-2.
4)ISO 14230 KWP2000 (Keyword Protocol 2000)
5)ISO 15765 CAN

Thanks much in advance!