Originally Posted by GeorgeK (Post 5374928)

The setup looks very much like the BMW self leveling system,for instance in the E34 5 series tourings and M5s. It is indeed self bleeding. You put themon in the lowest position then go for a drive trying to extend and compress sthe suspension fully by driving slowly over uneven ground. Cycling the suspension with the floor jack also helps a lot. provided you get good compression.
Just did that this week on my M5, transfomed the car. These things make the car unbearably harsh when worn.