The torque values can be found in online manuals too but it can be time consuming to track down a number of them at once - the factory manuals have an annoying features of using codes to represent the torque values, with a look up table at the back of the manual.
Here's the torque table for your car...
BMW Workshop Manuals > X Series E53 X5 4.4i (M62) OFFRD > 4 Tightening Torques > 0 Maintenance And General Data > 1 AZD Excerpt From Company Standard BMW GS 90003-2