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BMW E53 Self Level Suspension Problem
18-09-2017, 18:30 PM, (This post was last modified: 18-09-2017, 18:30 PM by atomantmk.)
Post: #1
XZBMW  BMW E53 Self Level Suspension Problem
I have a problem with one X5 E53 from 2001 with Dual Axle suspension, first was problem with self leveling suspension inactive and I have solved this.

With ISTA/P I have done Adjusting Ride Height and when I give Off-Road mode vehicle goes up and when I press button for normal mode only rear axle goes down to normal mode but front stays in high position and don't won't to go down.

When I check for errors there is no errors, after new Adjusting Ride Height everything goes to normal until I press button for up or down and always works only rear axle and front stays in position up or down but not in normal.

What can cause such a strange problem?

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18-09-2017, 19:12 PM,
Post: #2
RE: BMW E53 Self Level Suspension Problem
E53 with dual axle suspension had many problems.
what did you replace/fix in the first place?

known problems are EHC ecu behind glovebox or leveling sensors and wiring in the wheel house
did you check if the level signals are plausible and change according to the height?
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[+] 2 users say Thank You to oceandiver86 for this post
18-09-2017, 19:31 PM,
Post: #3
RE: BMW E53 Self Level Suspension Problem
Leveling sensors supposed to be okay, no errors.

I have cleaned with connector spray and error was gone, when I check if ISTA+ front and rear axle goes up or down and EHC module is updated to latest software.

One of errors before cleaning was CAN connection between ABS/ASC/DSC.

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18-09-2017, 19:44 PM,
Post: #4
RE: BMW E53 Self Level Suspension Problem
Ista doesn't throw a fault if a level sensor is unplausibel only if there is a short to power/ground...
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18-09-2017, 21:12 PM,
Post: #5
RE: BMW E53 Self Level Suspension Problem
I will check tomorrow front sensor. I think that this sensor don't work when EHC send command to axle to go down.

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03-11-2017, 18:42 PM, (This post was last modified: 03-11-2017, 18:43 PM by atomantmk.)
Post: #6
RE: BMW E53 Self Level Suspension Problem
SP Daten for E53 needed, I want to update and code ECU EHC2
[Image: 7da10b891c69d9355902c50ae5c70f02.jpg]

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