Denalio: I am only quoting from a post and what BMW dealer told me when I picked up the vehicle. I will try to acquire more information and I will post is ASAP.
Found this article :
http://www.caranddriver.com/previews...07-bmw-x5.html, this may be some interest:
Press the Sport button on the center console and a different handling map will shore up the footwork with more aggressive valving and anti-roll bar settings.