13 62 560 Removing and installing/replacing mass air flow sensor (M60, M62, M73)

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Interrogate fault memory of DME control unit. Switch off ignition.

Disconnect plug connection (1) from air-mass flow sensor.

Release hose clip (2).

Detach intake hose from air-mass flow sensor.

Fig 1: Disconnecting Plug Connection From Air-Mass Flow Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Open clips (1).

Detach air-mass flow sensor from air cleaner upper section.

Fig 2: Disconnecting Air-Mass Flow Sensor From Air Cleaner Upper Section

Courtesy of BMW OF NORTH AMERICA, INC.

Installation

Check seal (1) between air-mass flow sensor and air cleaner upper section for damage, replace if necessary.
To facilitate assembly, coat seal with acid-free grease.

Read out fault memory of control unit of Digital Motor Electronics (DME).

Check stored fault messages.

Rectify faults.

Now clear the fault memory.

Fig 3: Checking Seal Between Air-Mass Flow Sensor And Air Cleaner Upper Section

Courtesy of BMW OF NORTH AMERICA, INC.