I'm considering H&R Springs for the new X5. They are offered for trucks with and without self-leveling. I want to say that my X5 has it, but I'm not 100% sure (The car is fully loaded). How do I know for sure?

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Current Garage:
2015 Singapore Grey M6 Gran Coupe (ED - May 2014) -new car
2008 Imola Red E60 M5 - love of my life
2012 Alpine White LCI E70 X5 50i w/ LCI Aero Kit and Rocker Panels - wife and kids car

Retired:
2009 Jet Black E70 X5 4.8i Sport w/ Aero Kit
2007 Jet Black E60 530xi M Sport
2003 Jet Black E39 530i Sport