I had to replace a front level sensor and more,I found that the harness was damaged.So I soldered the harness back together,as one of the cables was completely disconnected.My headlights were pointing down.Now it's all back to "normal" just need to calibrate the system,but my garage floor is not leveled.So dealer will do it.
My Inactive message was gone only after a sharp cornering,I assume when all the input values from all 3 sensors made sense to the Control Unit.
I bet you either have a bad connection to one of the sensors,and you have 4 of them,or one of them is bad..otherwise it's the Control Unit.
As well I would give it a try to "wake up" by disconnecting the battery overnight.
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Quote:
Originally Posted by Kisu_san
Testing compressor: I replaced my compressor yesterday with new one ordered from Arnott air suspension system. They said it is same one as BMW use. It comes with 2 years warranty + a relay under $500. I did changed every thing but pump did not kick it. So I took it to local mechanic, who connected the old to direct battery terminals and old pump worked with hissing sound. He did same for new one as well it too worked.
But self level inactive message was not gone (even after driving for 5 kms). I could not make out whether compressor is working or not. I am planning to take it to BMW dealer and get the error code read/reset.
By the way, after replacing the compressor, now I got a airbag warn? I have to get this reset also.
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