Originally Posted by AquilaBMW

Carl -

As far as I know - similarly to the E39s with SLS on the rear - you can reset the rear ride height. This can be done using DIS or INPA. I love using INPA for this as it seems easier and more straight forward.

However, as to the question of being able to raise and lower it at will - if your car only has the Rear SLS, you will be able to do that only to the rear. You won't be able to raise or lower the front end that easily unless you are able to install some kind of Coilover kit / system.