I think we're talking about the same thing here!

My X5 (just purchased) is currently in a rail carriage coming from the other side of the country so I cant check it ATM.

From what I can remember the factory cargo net can go in two locations and has two stages. Firstly in its most common position behind the rear seats and half unrolled. Secondly, fixing behind the front row seats (pole goes through the hole in the cover described earlier) and the rear seats (folded forward) have clips on the back of the rear seats to fix the bottom of the fully unrolled net.