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

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. 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.

Fig 1: Unlocking Retainers On Intake Filter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

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

Release hose clip (3).

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

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: Checking Seal Between Air-Mass Flow Sensor And Intake Filter Housing

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: Installing Mass Air Flow Sensor

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.