Ok..here's my story.
At first it was a leaking left air spring,every morning I would find it deflated and as soon as I opened any of the doors,compressor would kick in and inflate it without any problem.
After a week or so,while I was waiting for the replacement air springs,Inactive message started to appear and I noticed that compressor would shut down before the normal height would be reached.So turning the ignition off and back on would run the compressor 2nd time and bring it to a needed height.
When the air springs got replaced it would pump ok,a bit louder than it used to be,but yet without Inactive message.
But after a month or so message started to show up again and it was a right sensor out of range(or something like that).
Now the right side is lower.No messages.Compressor pumping as it should.
I am about to order the links from the swing arms to sensors,they get clogged with crap and rusted that I was barely able to move it,when I was removing the sensors.
So my guess is,that even if the the sensor is working just fine a screwed up link would pull it in a wrong angle and we all know that if you alter one angle another gets altered as well.So an input out of range=confused control unit=screwed up height and so on.
You can inflate and deflate the air springs through DIS,try to deflate them completely and after inflate a couple of levels.
If compressor pumps fine with manual input,then you have something else failed and not letting it work as it should.
Am I wrong?
Quote:
Originally Posted by sockethead
I did get DIS working. It was a windows issue. An OS wipe and reload fixed it.
I ran DIS and re calibrated the suspension. After running diagnostics I got an accumulator fill error. When I run full test on the system, I passes all tests and I erase the error. About 30 seconds after erase, the air susp. Inactive is back on the dash. I've run the diagnostic several times, with the same results. I'm thinkin WTF? because it passes all of the tests.
One of the Senior techs at the BMW dealer where my GF works, offered to look at it. He thinks that the compressor may not be filling the accumulator fast enough... So I still have a compressor issue, maybe...
Since the cheapest price I can find on a compressor is around $500, I'm going to live with it. The tech had a used compressor but it tuns out it was for a single axle system
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