5 Series E61 523i (N52) TOUR
37 22 540
Replacing air supply unit
Warning!
Risk of injury!
Drain the air spring system before carrying out any work on
the air supply unit, air pipes and air springs! Danger of injury if
this instruction is not complied with!
Risk of damage!
The vehicle must not stand on its wheels when the air springs
are depressurized! Otherwise the air spring struts will be
damaged and later destroyed during driving!
Extreme cleanliness must be ensured in the connection area
of the pipes during removal and installation. Even the smallest
of dirt particles can cause leakage in the air spring system.
Important!
To prevent premature failure of the air supply unit, it is
essential to replace the air supply unit relay as well!
Note:
Read and comply with notes on air spring system.
Necessary preliminary tasks:
•
Remove battery compartment cover from floor plate.
•
Deactivate and drain air spring system
RA Replacing air supply unit
BMW AG - TIS
05.02.2013 08:14
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
