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Home >> BMW >> 2004 >> X5 30i, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1787 (Integrated Suspension Systems - Repair) >> Pump Assembly With Container >> 37 22 540 Replacing the air supply system

37 22 540 Replacing the air supply system

WARNING: This page is about a different car, the 2013 BMW X5 M, 2012 BMW X5 M, 2011 BMW X5 M, and 2010 BMW X5 M. 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 system, air pipes and air springs! Danger of injury if this instruction is not complied with!
Risk of damage!
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 suspension system.
NOTE: Read and comply with NOTES ON AIR SUSPENSION SYSTEM .

Necessary preliminary tasks 

IMPORTANT: Do not kink, twist or crush pipes.

Open plug connections (1-3).

Disconnect snap fastener (4) and seal both lines with adhesive tape.

Fig 1: Identifying Plug Connections And Snap Fastener
G04794899Courtesy of BMW OF NORTH AMERICA, INC.

Release banjo bolts (1, 2).

Lay pipes to one side and seal off with adhesive tape.

Installation note: 

Check banjo bolts for dirt contamination, clean if necessary. Then carefully screw in banjo bolts by hand to avoid damaging the plastic threads and with it the air supply system.

Tightening torque 37 12 1AZ .

Fig 2: Identifying Banjo Bolts
G04794844Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Remove air supply system(2).

Installation note: 

Replace self-locking nuts.

Tightening torque 37 22 1AZ .

Fig 3: Identifying Air Supply System And Mounting Nuts
G04794901Courtesy of BMW OF NORTH AMERICA, INC.

After installation