Quote:
Originally Posted by X5monsterBMW
Hi all & thanks for your help.
I have had the seal(s) done in the compressor. The old 'ring' was really worn.
We have fired it all back up and cleared the fault - once again I can raise and lower the car from the diagnostic machine or by dash control...
The car stays level at the height we set it - this time 707 & 709mm
However the moment it is driven a few hundred yards the fault/warning 'inactive' returns.
The pump is still pumping to just over 13bars (like before)....tomorrow I will try to find out what the latest fault codes are... grrrr!
At least one thing is eliminated.
Any ideas?
best
M
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We seem to be having the exact same problem. Apparently when the module goes bad it can trigger the low tire pressure light. If you are having the same problem as me when you look at the voltage levels with the diag SW you will likely see that the voltage for the front left is quite off from the others. The misread of that voltage tells the system it is off too far from spec, thus the "deviation" error and the system shutting down. I replaced that sensor to no avail. All of the homework I have done so far points to the module after that. I have looked around and tried to see if anyone has ever repaired one of these (GM and DSC modules are repairable). Currently have it apart and seeing if I can trace the input back to a BJT that can be replaced. If this fails I am saving for the module.
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06 E53 4.8iS, born 8/2006 (wife's)
06 E60 M5 (mine)
01 330Ci Convertible (daughter's)