13 62 560 Removing and installing/replacing air-mass flow sensor (M54)

WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.

Turn off ignition.

Unlock retainers (1) on intake filter housing.

Unlock plug (2) and detach from air-mass flow sensor.

Release hose clip (3).

Detach intake hose (4) from air-mass flow sensor.

Fig 1: Locating Air-Mass Flow Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Remove air-mass flow sensor.

Installation:

Check seal (1) between air-mass flow sensor and intake filter housing for damage; replace if damaged.

Fig 2: Identifying Seal On Air-Mass Flow Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

To facilitate joint between air cleaner and throttle assembly, coat gasket with acid-free grease.

Installation:

Only reinstall mass air flow sensor with undamaged lattice frame.

Fig 3: View Of Air-Mass Flow Sensor Lattice Frame

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Interrogate fault memory of DME control module. Check stored fault messages. Rectify faults. Then clear fault memory.