5 Series E39 528i (M52) SAL
refer to 37 00 ... Information on air
suspension.
a)
One-sided loading
b)
Height setting sensor
mechanically defective (bracket,
control rod bent)
c)
Line/air tank defective
d)
Air supply unit defective
e)
Air spring defective
f)
Line defective
a)
Partially unload vehicle
b)
If necessary, replace height
setting sensor, bracket and
control rod
c)
Check lines (in visible area), air
tank and screw connections
(first on distributor block and air
tank, then on pneumatic spring)
with leak tester spray (BMW
Parts Service) and replace if
necessary.
d)
Replacing air supply unit
e)
Replace air spring
f)
Replace line
*Both sides of vehicle too high (does
not lower in response to control).
a)
Control unit still in "Transport"
mode
b)
Air supply unit defective
c)
Lines on both sides blocked
a)
Change mode with BMW
Diagnosis System
b)
Replacing air supply unit
c)
Blow out lines and replace if
necessary
2. Control times not O.K.
Fault
Cause
Remedy
* Vehicle rises too slowly.
a)
Overload
b)
Battery voltage too low
c)
Air supply unit defective
d)
Lines defective or blocked
a)
Partially unload vehicle
b)
Charge battery/start engine
c)
Replacing air supply unit
d)
Check lines with leak tester
spray (BMW Parts Service) or
blow out and replace if
necessary
* Vehicle lowers too slowly.
a)
Air supply unit defective
b)
Line blocked
a)
Replacing air supply unit
b)
Blow out lines and replace if
necessary
3. Drive characteristics not O.K.
Fault
Cause
Remedy
* Vehicle height control operates
frequently while vehicle in motion.
a)
System leaking
a)
Refer to "1. Height setting not
O.K."
4. Compressor
RA Troubleshooting on level control system
BMW AG - TIS
21.02.2013 22:03
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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