5 Series E39 530d (M57) SAL
d)
Air supply unit defective
a)
If necessary, replace height
setting sensor, bracket and
control rod
b)
Connect lines of same color
c)
Unfasten line on distributor
block, check for escaping air
and replace if necessary
d)
Replacing air supply unit
* Both sides of vehicle always too
low.
If the vehicle was driven in this
condition,
refer to 37 00 ... Information on air
spring strut.
a)
Overload
b)
Failsafe on air supply unit
defective
c)
Relay defective
d)
Air supply unit defective
e)
Line defective
f)
Both height setting sensors
mechanically defective (bracket,
control rod bent)
g)
Both air spring struts defective
h)
Both lines defective
a)
Partially unload vehicle
b)
Replace failsafe
c)
Replace relay
d)
Replacing air supply unit
e)
Check lines (in visible area) and
screw connections (first on
distributor block, then on spring
strut shock absorber) with leak
tester spray (BMW Parts
Service) and replace if
necessary
f)
If necessary, replace height
setting sensor, bracket and
control rod
g)
Check air spring struts for
leaks,
refer to 3712 ...
and replace if necessary
h)
Replace both lines
* Vehicle does not rise in response
to loads.
a)
Overload
b)
Failsafe on air supply unit
defective
c)
Air supply unit defective
d)
Both height setting sensors
mechanically defective (bracket,
control rod bent)
e)
Both lines blocked or defective
a)
Partially unload vehicle
b)
Replace failsafe
c)
Replacing air supply unit
d)
If necessary, replace height
setting sensor, bracket and
control rod
e)
Blow out both lines and replace
if necessary
* One side of vehicle too low.
If the vehicle was driven in this
condition,
refer to 37 00 ... Information on air
spring strut.
a)
Height setting sensor
mechanically defective (bracket,
control rod bent)
b)
Line defective
a)
If necessary, replace height
setting sensor, bracket and
control rod
RA Troubleshooting on level control system
BMW AG - TIS
20.02.2013 17:15
Issue status (12/2007) Valid only until next DVD is issued
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