13 71 031 Remove intake neck for intake silencer housing

Removal: 

Unscrew nuts (1).

Release lock (2).

Feed out intake port (3) and remove.

Fig 1: Intake Port, Lock And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Install intake port (3).

Secure lock (2).

Tighten down nuts (1).

Tightening torque 13 71 1AZ .

Fig 2: Intake Port, Lock And Nuts

Courtesy of BMW OF NORTH AMERICA, INC.