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Old 01-14-2015, 01:25 AM
Join Date: Jan 2015
Location: san francisco
Posts: 36
rlteee is on a distinguished road
Just replaced both rear air springs and still not rising

Hi all,

I just replaced my rear air springs using this thread:http://www.xoutpost.com/bmw-sav-foru...nt-x5-e70.html

I have to say it was pretty easy. The problem is that the rear of my car is still not rising. I can hear the compressor trying to push air into it, but its not going up. After a few minutes, it stops and i get the self level error on my dash. What could it be? I think i hear a little hissing noise around the passenger rear tire?

This started a few months back, my right rear would sag and would rise after i started it. Then a two weeks ago both sides would drop and then rise. This week, it just stayed dropped and wouldnt rise. I figured it was bad airbags and i replaced them... Hopefully, someone can help me solve this mystery.
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Old 01-18-2015, 08:56 PM
Join Date: Jul 2011
Location: Brooklyn, NY
Posts: 63
Brian425 is on a distinguished road
I would start with the air supply lines. If they are pinched, they will not allow the bag to inflate properly. The computer will stop trying to fill the bag when it senses a certain level of pressure.

Please note, I have not done the air bags on an E70; but, have done them on a few Mercedes. If you bought the bags from Arnott, they are usually very helpful.

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Old 01-18-2015, 11:33 PM
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Join Date: Nov 2010
Location: Los Angeles
Posts: 976
bawareca is on a distinguished road
You could try a few times doing that,it may take a lot of pumping to lift the car off the ground.The pump stops in a few minutes because of the thermal protection,but it should start pumping again after a few minutes rest and cycling the ignition.
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Old 01-18-2015, 11:35 PM
TriX5's Avatar
Join Date: Dec 2008
Location: Maryland
Posts: 1,155
TriX5 is on a distinguished road
Did you check to make sure both airlines are fully engaged at the top of the bags? It sounds like you are not getting any pressure build up.
2003 4.4i black ext./black int./black headliner
2006 4.8iS Le Mans blue/cream int./black headliner, SOLD sadly...
2009 E70 35d, black ext./black int./black headliner (shipped to Europe)

Hmmmm, love those black headliners!

Other hardware:
2005 Tundra crew cab, son's DD and weekend hauler
2015 Cayenne S (wife's new DD and definitely wroooommmmm)
2016 Tundra 1794 edition crew cab, luxo hauler
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Old 01-19-2015, 09:56 AM
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Join Date: Aug 2013
Location: Miami, FL
Posts: 103
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The compressor could have stopped working. That was what happened to my 4.8i. About $1000 for the part and 15 minutes of DIY time.
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Old 01-19-2015, 05:19 PM
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Join Date: Jan 2013
Posts: 121
mart_dev is on a distinguished road
Op resolved the issue last week. Was compressor. Seems to have been chatting on 2 separate threads.
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