Hi, I have a p38 and sometimes after I park it , I come back and it has risen by itself to high setting. When you get in and start it ,it goes back down to standard height. Then sometimes but more rarely it is lower than standard height when I come back to it. These can happen in a space of 30mins. Also sometimes when parking just after turning the car leans to the outside of the turn if you know what I mean and does not level even if you raise and lower the suspension. It just gets higher or lower with the lean still in it. It has had a new compressor and four new bags recently.