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Old 04-10-2007, 12:18 PM
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Old 04-10-2007, 12:19 PM
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lowered or what!!
nah its really annoying
its booked in for 27th! that was the earliest!
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Old 04-10-2007, 04:16 PM
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Whoa! Now that is low. Let us know how it turns out.
Mike F
Current: 2013 Grand Sport Corvette
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Old 04-10-2007, 09:53 PM
LVR LVR is offline
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Despite what the dealers tell you, there are several PUMA's for this, and BMW have known about it for a very, very long time.

PUMA 4798921-02

The first relates to an intermittent fault, but usually occurs shortly after the vehicle has been started and is common when outside temp is lower than 0 degrees Celcius

The possible cause is water ingress into the EHC (Electronic Height Control?) wiring harness connector in the front right wheel housing.

The remedy is to perform a diagnostic first, then check the connector for correct seating or corrosion, THEN look for other causes.

The fault codes stored are EHC-74 (accumulator pressure remains constant) and EHC-76 (accumulator pressure falling)

PUMA 4378200-03

This one relates to the error message "ride height control inactive" where the sensors are giving false readings even where the voltage values are ok (in my words, I believe this is when you get uneven ride heights front to back/left to right/poor operation)

These values damage the EHC2 control unit which must then be replaced as well as the sensors if the new sensors status remains at 0mm following a ride height adjustment.

This PUMA was released in July 2004 and I think you need the dealer to be doing some proper testing to get it diagnosed.

Whilst there has been a lot of discussion on this board about inactive suspension messages, my (quick) search doesn't show any mention of PUMA's that we can talk to our dealers about......

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Old 04-10-2007, 10:00 PM
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My front and rear air suspension system was completely replaced under the CPO. Prior to this replacement, my X5 had numerous suspension problems - basically all that have been described in this thread.
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Old 04-11-2007, 06:31 AM
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I had this "self lev susp inact" error once, due to a blown fuse. Might want to check that before all the more complicated solutions.
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Old 04-28-2007, 12:14 PM
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Statdoc, What fuse was blow? The one in the glove box labeled air suspension? I read there might be one somewhere else but I don't know where that would be. My "selflev susp inact" message came on 2 weeks ago and has not gone since. I replaced the 4yr old battery, hoping that would fix it, and it didn't. Any other thoughts of how to get rid of that message would be great.
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Old 11-10-2007, 12:45 AM
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Whistle My turn: "Self Leveling Suspension Inactive"

Well I guess is my turn!!! Last weekend while driving my cluster lit up with error messages - Self leveling Supension Inactive, 4x4 light, & Tire Pressure Sensor light. On Monday first thing I brought it to the dealer and left it to be looked at. They then called me to tell me they had to replace the Suspension Control Module (?), which they did and called me to pick up the X5. When I showed up to pick up the vehicle the suspension went up but wouldn't come down so I left it there again!!! They then said that the sensors were bad and had to be replaced, and so they did but unfortunately the error message is still there and they don't know how to fix it yet. It seems they will be sending the diagnostics info to BMW NA and will get back to me with a date to bring back the vehicle probably on Monday to continue repair attempts. I would appreciate it if STATDOC could tell me which fuse was it that he changed or that had blown and what exactly does it control. Also if STEVED could posiibly tell me if there are any more PUMA's on this error besides the ones he mention on this thread.
Anyone with any other info/input will be greatly appreciated. TIA!!!

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Old 11-10-2007, 05:48 PM
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I would check all fuses in the glove box. When i had that susp inact message appear on the display, i checked all the fuses and the interior light fuse was shot so replaced that and the message dissapeared like magic! Its a headache checking all the fuses but its wortha shot.
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Old 11-10-2007, 06:32 PM
Kev Kev is offline
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Mines booked in on Monday to have this same problem looked at.

The symptoms I have, are a car that tilts to the left (at the back) when parked. There's a very noticable hissing soud when I pull up and walk away from the car which is - I assume - the airbag losing all of its pressure. Then, usually after a minute or so of driving, I get the SELFLEVEL SUSP.INACT message. Sometimes, (usually on motorway driving), I dont get the message - wierd.

So far, I haven't noticed any difference in ride or handling. I asssume the compressor is working double time to keep the bag inflated. I called my local dealer and asked them if they had a rear suspension air-bag (on the advice of this forum as this was probably leaking. They have supplied me with the part - at around $200

Which is part 1 in the followowing diagram....

Only thing is, I have a feeling I may actually need part 5 - the reservoir. It's no problem - as they will take the air spring back if thats not needed.

Part 5. 37126755021 doesn't come up with a price.

If anyone could advise on which one is commonly referred to as the 'airbag' I would be grateful.

Probably find out on monday that its not the part I went and bought - and the other part has to come from Germany ...

Although the car drives fine, I have a feeling the prolonged use will cause part 8 to fail (the compressor) and thats $800 !

I'll keep you posted on how things go on Monday...


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