Necessary preliminary work

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Remove right INJECTION PIPE .
Remove THROTTLE VALVE
Release screws on intake plenum from above without fail before lowering front axle.
Secure ENGINE in installation position.
Lower FRONT AXLE , releasing screws on engine mount first
Release A/C compressor and place to one side. See REMOVING AND INSTALLING/REPLACING HEATING AND AIR CONDITIONING SYSTEM COMPRESSOR (N63, WITH DYNAMIC DRIVE) .

Detach engine ventilation hose (1).

Disconnect connector.

Unscrew nuts (2).

Tightening torque: 11 61 1 AZ .

Fig 1: Identifying Engine Ventilation Hose And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Remove THROTTLE VALVE (2).

Release screw (1).

Tightening torque: 11 61 2 AZ .

Feed out intake plenum towards rear.

Installation note:

Replace all profile seals.

Fig 2: Identifying Screw And Throttle Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine and vehicle.

Check air intake system for leaks.