13 71 000 Removing and installing/replacing intake silencer housing (B37, B38, B46, B47, B48)

Necessary preliminary tasks: 

• Remove the INTAKE NECK FOR INTAKE FILTER HOUSING. 

Removal: 

Pull off rubber retainer (1) from intake silencer housing.

Release screw (2).

Unlock connector (3) on hot film air mass meter and disconnect.

Release clamp (4) and pull clean air pipe off of intake silencer housing.

Pull the intake filter housing (5) up and out of the rubber mounts and remove.

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Insert intake silencer housing (5) into rubber mount.

Slide on clean air pipe onto intake silencer housing.

Tighten clamp (4).

Tightening torque 13 71 3AZ.

Connect connector (3) to the hot film air mass meter and lock.

Connector (3) must engage audibly.

Tighten screw (2).

Tightening torque 13 71 2AZ .

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: 

• Install INTAKE NECK FOR INTAKE FILTER HOUSING.