I really don't know exactly where is the fuel pump located for these 3rd row seat SAVs. They don't have much information via online searching and service manual download. I found one here but only for 2 row seats https://drive.google.com/file/d/1v11...ooBrWFBdu/view
Since the 3rd row seat X5 second row seat can be reclined and moving back/forth, according to the link from other forum, it said under 3rd row. I will try to remove the 3rd (which i never done before) to find out if the fuel pump under that passenger seat.