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  #131  
Old 02-21-2017, 01:00 PM
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Yes, these are the actuators responsible for bringing the car level.
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  #132  
Old 02-21-2017, 01:00 PM
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.... once lowered, have you started the engine and let it idle?
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  #133  
Old 02-21-2017, 01:30 PM
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Yes. I let it run for quite some time because I read that it may take a few minutes to activate. But I never heard the compressor come on. I am suspecting another part is actually the issue. I may not have needed this new compressor at all. I may have to to start replacing those other parts one at a time until it works. There were no codes coming up in OBDII system at all when the bag was completely flat. So I am shooting in the dark. I am trying to avoid going to mechanic at all costs. Just bought the truck and already had to replace the leaking alternator oil bracket gasket that cost $1700! That plus the 2 airbags and now the compressor. I am tapped out.
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  #134  
Old 02-21-2017, 01:45 PM
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Quote:
Originally Posted by Nito View Post
Yes. I let it run for quite some time because I read that it may take a few minutes to activate. But I never heard the compressor come on. I am suspecting another part is actually the issue. I may not have needed this new compressor at all. I may have to to start replacing those other parts one at a time until it works. There were no codes coming up in OBDII system at all when the bag was completely flat. So I am shooting in the dark. I am trying to avoid going to mechanic at all costs. Just bought the truck and already had to replace the leaking alternator oil bracket gasket that cost $1700! That plus the 2 airbags and now the compressor. I am tapped out.

Do this....
Take a break, close all the doors on the SAV, lock the car and arm it.
Have a coffee or something, when you come back try again.

I wonder if the computer is thinking the car has leveled already and it is not priming the pump again.
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  #135  
Old 02-21-2017, 01:53 PM
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Sure thing, I will try it now. The car has been sitting out there on the jacks stands all night.
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  #136  
Old 02-21-2017, 03:06 PM
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No good. I tried lowering it and waiting. I also tried using floor jacks to raise and lower the arms in hopes that it would trigger. Nothing.
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  #137  
Old 02-25-2017, 11:47 AM
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did it work? I had the same issue and ended up starting the engine and then the compressor started.
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  #138  
Old 02-26-2017, 10:58 AM
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My Problem Solved!

Update:
Bit the bullet and brought to mechanic after discussing the issue. We both suspected some type of computer issue at that point. Since I do not have access to BMW specific diagnostic software (I only have an OBDII reader) it was my only option. Turns out, the system was storing a fault code that was preventing the air suspension from engaging. If anyone is having this issue after installing new parts, it may be worth having it checked out before spending more $$$ on parts you probably don't need.
I am back in business now. I did not need to buy a new compressor. Since it is new, I am choosing to leave it in. I will probably sell the old one to save some other poor schmuck the cost. BMW quoted me over $1200 for a new one! That was not installed - part only. However, you can order one online made by the original manufacturer - AMK - for about $320 shipped. The repairs for both the bags and compressor are fairly easy using these instructions for the bags, and Arnott's video for the compressor. If anyone is in my area of Monmouth County NJ, I would be more than happy to help you out with this process. I am no expert by any stretch, but after banging my head over this system for the past 2 weeks - I know a thing or two!
Thanks again to everyone who helped!
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  #139  
Old 02-26-2017, 11:20 PM
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Thanks for the update.
I consider myself lucky as I replaced both of my bags with Arnott's and just lowered the car gently and the compressor kicked on at the end of both installs and bags inflated.
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  #140  
Old 02-28-2017, 02:07 AM
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Quote:
Originally Posted by Nito View Post
Update:
Bit the bullet and brought to mechanic after discussing the issue. We both suspected some type of computer issue at that point. Since I do not have access to BMW specific diagnostic software (I only have an OBDII reader) it was my only option. Turns out, the system was storing a fault code that was preventing the air suspension from engaging. If anyone is having this issue after installing new parts, it may be worth having it checked out before spending more $$$ on parts you probably don't need.
I am back in business now. I did not need to buy a new compressor. Since it is new, I am choosing to leave it in. I will probably sell the old one to save some other poor schmuck the cost. BMW quoted me over $1200 for a new one! That was not installed - part only. However, you can order one online made by the original manufacturer - AMK - for about $320 shipped. The repairs for both the bags and compressor are fairly easy using these instructions for the bags, and Arnott's video for the compressor. If anyone is in my area of Monmouth County NJ, I would be more than happy to help you out with this process. I am no expert by any stretch, but after banging my head over this system for the past 2 weeks - I know a thing or two!
Thanks again to everyone who helped!

Thanks for the update.
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