If I remember correctly, when I had my 2008 with the adjustable cargo points and 3rd row seats. The cargo adjustments slid up and down the rails and in three points there were bolt heads within the rails to be able to remove them. I cannot remember if they were hex or torx head.

Hope this helps.

__________________
'01 740i Sport MKIV, Quad Brake Lights, Bi-Xenon retrofit, HID Fogs Dinan 7 Struts, Springs, camber plates, Intake, MAF, CAI, Throttle Body, NBT Retrofit, Strong Strut


'99 318ti Titanium Silver; '97 318ti Boston Green; '13 X5 3.5i Saphire Black Metallic
'84 633csi Black (sold); '88 325iC Black (sold); '97 740iL Black(sold); '01 740iS Black (sold);'97 318ti White (sold); '08 X5 4.8i Titanium Silver (sold); '96 318ti Alaska Blue (sold)