37 14 519 Removing And Installing/Replacing Pressure Sensor For Air Suspension (Two-Axle Ride-Height Control)
WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Danger 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 spring struts and air springs are depressurized! Otherwise the air spring struts and air springs 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.
Risk of damage! The vehicle must not stand on its wheels when the air spring struts and air springs are depressurized! Otherwise the air spring struts and air springs 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.
Necessary preliminary tasks:
- Venting pressure accumulator:
- Raise vehicle on lifting platform
- Connect BMW diagnosis system
- Switch ignition on
- Vent pressure accumulator using the BMW diagnosis system (control unit functions -> component activation: activate menu item "Vent pressure accumulator" once)
- Deactivating air spring system:
- Remove ignition key
- Pull fuse for control unit
- Remove right underbody panelling
IMPORTANT:
Risk of damage! Do not kink, twist or crush pipes.
Disconnect plug connection (1). Release pressure sensor (2) only after pressure in pressure accumulator has reduced completely.
Tightening torque 37 12 7AZ. Refer to INTEGRATED SUSPENSION SYSTEMS - TIGHTENING TORQUES X5 (4.4i) N62 .
After installation:
- Activating and filling air spring system:
- Insert fuse in corresponding slot in fuse box
- Connect BMW diagnosis system
- Switch ignition on
- Fill pressure accumulator using the BMW diagnosis system (control unit functions -> component activation: activate menu item "Fill pressure accumulator" once)
- Set vehicle down on its wheels