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37 22... Replacing air supply unit (version with Dynamic Drive)

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: 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!
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.
NOTE: Read and comply with NOTES ON AIR SPRING SYSTEM .

Necessary preliminary tasks 

Release screw pins (1) and open holder.

Installation: 

Replace screw pins.

Tightening torque 37 14 22AZ .

Fig 1: Identifying Screw Pins
G04794887Courtesy of BMW OF NORTH AMERICA, INC.

Expose control lines (1) up to front tension strut.

Remove connecting line for valve block from holder (3).

Release nuts (2) and remove valve block from body.

Installation: 

Replace self-locking nuts.

Tightening torque 37 14 10AZ .

Fig 2: Identifying Control Lines, Valve Block Holder And Nuts
G04794898Courtesy of BMW OF NORTH AMERICA, INC.

Further procedure is identical to: 

After installation