Question about BMW 528

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BMW 528i s reg rear suspension

Looking for any possible faults due to sudden loss of air in rear suspension?

Pump is working so electrically sound and i think it maybe the air cylinder at the suspension end.

Thanks

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  • Anonymous Jul 27, 2008

    Although my car is the E39 [525] touring, I have the identical problem - the rear suspension suddenly failed. The pump runs, the fuses are sound. The near side failed first. I live in Miltopn Keynes, UK. Any advice out there to guide my next move or identify the failure - thanks. 


    Russ

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Check for pressure out of the air pump. If there, then the problem is a blown seal in the shock.

Posted on Jul 02, 2008

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Repair to my car


Hi,

Your concern is your BMW displays the message "SELFLEVEL SUSP. INACT" which indicates that the car's computer detects a problem with your active suspension system. Self-leveling is standard to most late model BMWs. It works on a pump, an air system and a computer that tells which suspension gets how much height, ride stiffness and other suspension settings.

Your concern is a known issue though not that fairly common. Technically, the best would be to contact your dealer or if in The USA, BMW of North America, LLC. call (800) 831-1117 or email CustomerRelations@bmwusa.com.

You may want to mention a possible problem with the firmware/software of the EHC (Electronic Height Control) Control Module. They may want to recode (flash). It is also possible to have air leaks in the system specially on the suspension bladder.

Other things you can check are tire pressure (30PSI), see if your ride is a bit stiff/hard now compared to before the earning displayed showed up, handling difficulty, loopsided/tilted level among others.

Incidentally, if there is nothing out of the ordinary in how the car ride, handle or drive, it may just be a systems glitch. Try jockeying the key to ON/OFF a couple of times.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

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