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X5 E70 (2007 - 2013)
E70 BMW X5 produced between 2007 and 2013. Discuss the E70 X5 with other BMW owners here.

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Old 12-04-2017, 07:22 AM
elb1999 elb1999 is offline
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Rear Suspension question

My wifes 2011 X5's rear suspension is literally dropping like a low rider at times when the car is turned off. There doesn't seem to be any pattern and it doesn't happen immediately. But occassionaly we come out to the car and the back end is low. We start the car get out out check and it's back where it should be. Anybody have any idea what's going on?
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  #2  
Old 12-04-2017, 09:52 AM
FredoinSF FredoinSF is offline
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Yes, common issue. Your car is equipped with rear air suspension, which was part of the third row option but also available as stand alone option I believe. Anyway, that trick suspension includes airbags that maintain the height of the car regardless of load. They are known to leak over time. Replacements are $200 per side for the part I believe and labor is not tremendously difficult for a DIY guy. Arnott is an aftermarket supplier that many have used, they have a lifetime warranty on the airbags. Ignore the issue and the pump will be damaged due to having to work beyond standard specs.
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Old 12-04-2017, 01:14 PM
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Ditto above...if looking at replacing the air shocks...check out Arnott's website (select for the model you have). You can also see how much the compressor is...so to avoid trashing it...stay on top of the issue to see if the problem are the air shocks...then replace ASAP if they are the culprit: https://www.arnottindustries.com/products/bmw
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Last edited by QSilver7; 12-04-2017 at 01:15 PM.
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Old 12-04-2017, 02:01 PM
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Arnott's site links to a removed video, but a YouTube search leads to this clip:



Doesn't appear to be a video specifically for the E70's compressor, tho'.
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Old 12-04-2017, 04:17 PM
Dash Riprock Dash Riprock is offline
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FYI, BMW was going to charge me $3000 CDN for parts and labor. I ordered parts and had an Indy Mechanic complete the job for less then $600 CDN all in Parts and labour. I believe labour was basically $200'ish. Worth it to find a mechanic to complete.
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Old 12-04-2017, 07:18 PM
ard ard is offline
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Quote:
Originally Posted by elb1999 View Post
My wifes 2011 X5's rear suspension is literally dropping like a low rider at times when the car is turned off. There doesn't seem to be any pattern and it doesn't happen immediately. But occassionaly we come out to the car and the back end is low. We start the car get out out check and it's back where it should be. Anybody have any idea what's going on?
In case you are doubting it IS the airbags...

They crack/split/leak- however due to how they are compresed and loaded, and how they wiggle around, they may or may not loose air during any particular parking period.

Eventually one of two things will happen:

the leak will get bigger and every time you park overnight they will leak down

or

The leak will cause the pump to run all the time leading to a hard, total failure- they will stay down 100% of the time. $$$ instead of $
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Alignment here: The Definitive Alignment Thread

OE is Original Equipment aka 'BMW Original Parts' aka 'What you buy at the BMW dealer with a BMW label'

OEM is Original Equipment Manufacturer... EITHER the company that made the OE part or.... A part this is identical to the OE part, but is sold by the OEM under their own label


OEM is not what BMW sells


http://www.bimmerzone.com/category/T...ricks_OEM.html

https://www.turnermotorsport.com/t-OEvsOEM
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  #7  
Old 12-05-2017, 03:19 PM
Badsmerf Badsmerf is offline
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Suncore also sells them. I need to replace mine soon to.
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