Did it this morning and boy was there a difference. Highly recommended for those that are starting to feel like their X3 is kicking your ass whenever you drive.
2011 328i SA SULEV Black Sapphire Metallic, Dakota Beige, ZPP, Nav
Prod Date: July 1, 2010
Traded in with 90K Miles:
2007 X3 3.0si Black Sapphire Metallic, Grey Nevada, M Sport Package, Premium, Cold Weather, Navigation, and Xenon.
Prod Date: March 2, 2007