Set level regulation after deepening

Hello,
In my a8 bj.10/95 2.8 128kw a deeper set of 60/30 is installed, so far as so good. Only the new attitude to level regulation (hydraulic) is a major problem. after installation of the springs, the a8 was standing like an allroad there fully pumped up just in the old setting. What now! audi can or doesn't want to give me any information about it, the only thing that they've changed out is a basic setting of the system to lower me bucks and so on. . had then telephoned with the spring manufacturer, and he said that they tested an a8 with level control but with compressor(air). I then told him that it is a hydraulic system that hangs on the stabilizer and when it comes to springing such a valve/distributor or similar. move. between stabi and this valve is still a staggered one that can be adjusted further and closer. he said theoretically, one must make the sting bigger, so it would have been at mercedes. So we've tried the attitude further apart. ==References== 10km drive, and nothing happened. the whole then narrowed, driven and nothing happens. then the hydraulics pipes have looked again, and found a block with two venting screws, which led each to the shock absorbers. I opened one then, man was there a pressure on it and see that the a8 was lowered about approx. 25mm off (stitch is very tight together). But that couldn't have been it. Anyway, the box drives all shitty, back relatively hard and in front it swings up and down like amykreutzer. Even if I load it now, it's almost not going down in the back. I'm asking with my Latin so slow at the end and somehow I can workshops, and no one has a solution.
my question to all of you, who has worked on hydraulic level regulation before or. they are re-set after a deeper reflection?????