These will fit 00-06 with rear air suspesion. I just have 2 sets right now. I will have more in by next week. They are fully adjustable end links to lower the rear of the air suspension on the X5. Here is a side by side comparison for the adjustable and Oem Endlinks. One of the adjustable endlinks is set at the factory height the other is adjusted to the H&R height of a 1" drop. I have lowered my X 1 1/2" without an issue. I haven't had a chance to lower it any further. Why pay more to have the dealer lower the rear via the DIS for a one time deal. You can lower the rear or rasie it with just a few turns. I can even adjust mine with the wheels on, I have 22" wheels tho. Also if anyone with a 4 wheel air suspension would like to be a test subject let me know and maybe we can work something out. I'm not sure if the front can be lowered the same way. I will post this in the classifeds now, I just wanted to get some feedback. Thanks for looking Rob