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Re: repair to my car
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.
I have a 1999 528i E39 Touring station wagon. I had the same issue with the self leveling suspension failing (at 120,000 Kms). I have been advised all sorts of things but the answer was in this thread, IT WAS A FUSE IN THE REAR COMPARTMENT as described by
That is all it was, a seventy cent fuse. It was about to cost me a fortune after much research and BMW wanted to charge me $140 an hour to "check it out". If I had not found porshcecrest's thread I would have spent a quoted $4,500 to fix it. REPLACE THE FUSES FIRST as found 4 other fuses that were blown and even though this did not stop the car working it had effects down the "line". Car is now perfect after a 70 cent fuse replacement
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Two completely separate and unrelated systems. I would have to say it would be impossible for the EAS height range to cause enough incline to overwork your fuel pump. Now if you were driving uphill for 5 months non-stop then i would say possible. A 2004 would be due for its first fuel pump replacement in my estimation. Around 80k miles would be about right.
first of all check the fuses: there are 2 fuses for the air compressor. 1 in the front fuse box in the glove box and the other one is in the back of the car on the right hand side. then if u hear the compressor working check the red and blue hoses that go from the compressor to the little expansion tanks on top of each airsping. if that doesn't solve it than u should check the air spring.jack up the car as high as u can, look for any punctures in the rubber part of the air spring. I had the same problem. They are very expensive, but u could find them on e-bay. I paid 100 euros for the two (second hand). they are not very complicated to replace. good luck
The EAS can have many different faults that will give the same warning. I have had several air susp problems. First try to disconnect the battery, wait several minutes reconnect then drive car making at least on full circle. If lights remain, air pump (under spare tire ) can be checked, also valve under a cover behind right front wheel, other than these areas, the Testbook diagnostic at dealer will determine if any other parts are source of problem. Unfortunately, with the complexity of the system many other parts Height sensors, etc, etc can also cause the error message. Good Luck.
you can try turning the ignition on and off , only to position two ond off with out starting , between 20 - 30 times this sometimes confuses modules and causes them to clear faults , if not i would recomend getting it plugged in , if vehicle is not in warranty go to landrover specialist , much cheaper!!!!!