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  #91  
Old 05-10-2014, 09:36 AM
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les shwab a safe bet? i was thinking about firestone, if they can do lifetime aligments. anyone have any experience with them?
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  #92  
Old 05-11-2014, 02:16 AM
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front and rear were sitting a little low. 670's for both. raised it up to 707 and 709. hopefully it is just an alignment issue.
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  #93  
Old 05-27-2014, 05:38 PM
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Dreaded AUTO LEVEL SUSPENSION INACTIVE


Hi again X5 peops

I am keen to know the answer to this!

background...
8 months ago bought an X5 4.8is with full BMW service history.
It is a Dec 2004 vehicle & has now done 85K miles only
It is lovely...... immaculate...... however......

On the service history it has had the suspension air bags replaced.

A week ago I got the thing I had most feared.......
Dreaded AUTO LEVEL SUSPENSION INACTIVE notification.
Light went off in 'uppy downy' control & tyre flat indicator also came on!

Pls help...
The car is sitting level.

OK my pal runs reputable local garage.
We put it on the diagnostic - wiped the fault so that we could level the car. It was not much out.

I set it to the 722mm & 724mm settings - hope that is right. (with tape measure only).
The pump said it was running just over 13bars when it activated - which seems to be correct. We could move individual corners of the car (or axle at a time with no probs)
Also checked the 7.5 & 30amp fuses behind boot side panel.
We pressed the button (on diagnostic) that says set zero level - front then rear - again car stays level - & remembers height - no sag.

The original codes were ...
#32 EHC: CAN Bus
#74 EHC: Accumulator pressure remains constant (accumulator filling requested)

We can then raise/lower the car up and down on the usual interior switch/control.

However 100yds down road and the dreaded message returns - all switches off again - but car level!

We delved further in with the diagnostic - now this is were I don't understand the terminology!!

There was a page that said ...
DEVIATION RIDE LEVEL
Front Left 17 mm
Front Right 121 mm
Right Left 162 mm
Rear right 182 mm

Why is the front right so different.
Can anyone shed light on what this all means....

Also how the heck to I get rid of the puncture (flat tyre) yellow light/sign...

I know that there is lots on this fault generally - can anyone help...pls pls.

Is getting me down big time!

Will I ever cure this?

M
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  #94  
Old 05-27-2014, 06:39 PM
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M I posted in your other thread
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  #95  
Old 05-29-2015, 04:46 PM
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Quote:
Originally Posted by Ricky Bobby View Post
Side note: Wouldn't it be so much easier if we had tape measures that were mm/cm only? I measure and then I have to google the conversion lol!
HAHAH RB I'll send you one hahahahaha
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  #96  
Old 05-29-2015, 06:47 PM
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X5MonsterBMW: I feel your pain, I believe I documented my issues earlier in this thread and never posted the final answer. Exact same issues you list, final answer was the EHC-II module. When it fails it will report the ride height deviation and also trigger the FTM. I had replaced the bags (damaged while doing other work), and replaced the height sensor on the corner that reported off. Funny enough it was the front left on mine with almost the same readings as yours.

New module from ECS and a program update fixed the problem:-(


Brent
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  #97  
Old 05-30-2015, 07:33 AM
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Here we go again!

Hi Brent
It is strange timing that you should report back on this today.
Reason being yesterday the 'SLS Inactive' message re-appeared.

It has been stable for months now having replaced the 'piston ring/washer' in the compressor (part from bagpipingandy on ebay) and having ride level re-calibrated back then...also compressor is running fine at about 15bar.

I have found an independent BMW guy in Havant Hampshire who seems very un-daunted by this system - he charged me £45 a while back to run the re-level procedure and remove fault codes.

My local garage (run by a pal of mine) can read and erase the fault codes but does not have the BMW s/w to do a complete re-level & reset of ride height.

I was going to call the Havant guy but got my local pal to check and erase the code as this was free of charge!

The code seemed random...
0035 Control Module

However - Is the the EHC-II unit you refer to? What do they cost if they fail?

I read on another thread that this code can appear erroneously and when cleared can stay away for months and does not necessarily indicate a controller fault per-see?

Anyway - I love the car but this aspect of my 4.8is always makes my stress levels rise & when I see that dreaded message my heart sinks!

It seems fine this morn - had to pop out for 30 miles and all is good...
Time will tell eh!

very best
malc
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  #98  
Old 05-30-2015, 07:50 AM
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Ride height?

Hey there Ricky Bobby - hope you are well!
What height did you set the 4.8is at in the end?
When I had mine leveled the guy (BMW genius) simply said "I have set it at 'Sport Level'... "
I wonder how many mm that was - any ideas
Best
malc
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  #99  
Old 05-30-2015, 09:05 AM
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Hmmm have you measured lately? On my 3.0 I'm about 1/4" lower than sport height (707 front, 709 rear) and may lower a bit more for the summer. The sport/non sport heights are on the first pages of this thread
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  #100  
Old 05-30-2015, 09:50 AM
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Got it - off to measure what he did!
Stay cool...
M

PS: might need that subframe bushing tool at some point!!
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