13 62 560 Removing and installing/replacing hot film air mass meter (N55)

Necessary preliminary work: 

• Read out fault code memory of the DME control unit.
• Switch off ignition
• Remove IGNITION COIL COVER

Release clamps (1).

Tightening torque 13 71 3AZ .

Release connector (2) on hot film air mass meter and disconnect.

Disconnect clean air pipe (3) from rubber mount at top and remove.

Fig 1: Identifying Clean Air Pipe, Connector, And Clamps

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 13 71 4AZ .

Pull hot-film air mass meter (2) out of upper section of clean air pipe.

Fig 2: Identifying Hot-Film Air Mass Meter And Screws

Courtesy of BMW OF NORTH AMERICA, INC.