13 62 561 Removing and installing or replacing both hot film air mass meters

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Overview of Activities

Preprocesses

Read out fault memory. See 1
Remove acoustic cover. See 2
Keyprocesses
Removing hot film air mass meters on the left and right. See 3
Installing hot film air mass meter on the left and right. See 4
Postprocesses
Install acoustic cover. See 5

Additional Information

Overview of Tightening Torques

TIGHTENING TORQUE SPECIFICATIONS

Use in Activity: 4
Hot film air mass meter to upper section of intake silencer housing
3.5 Nm

Preprocesses

Read out fault memory
- Connect diagnosis system.
  Check
- Read out fault memory.
desired state

Result

» Fault entry present.

Measure
- Delete fault memory, if necessary, execute test modules.
Remove acoustic cover
- Raise acoustic cover (1).
- Remove acoustic cover (1) in the direction of travel.
  
  Fig 1: Identifying Acoustic Cover
  Courtesy of BMW OF NORTH AMERICA, INC.
Keyprocesses
Removing hot film air mass meters on the left and right
Prerequisite

Switch off ignition.

NOTE: Description is for left component only. Procedure on the right side is identical.
- Unlock connector (1) and remove.
- Loosen screws (2).
- Pull hot film air mass meter (3) out of upper section of intake silencer housing.
  
  Fig 2: Identifying Hot Film Air Mass Meter, Connector And Screw
  Courtesy of BMW OF NORTH AMERICA, INC.

Installing hot film air mass meter on the left and right

NOTE: Description is for left component only. Procedure on the right side is identical.

Install new gasket on hot film air mass meter (3).
Install hot film air mass meter (3) in upper section of the intake silencer housing.

Tighten down screws (2).

TIGHTENING TORQUE SPECIFICATIONS

Hot film air mass meter to upper section of intake silencer housing
3.5 Nm

Connect connector (1).

Fig 3: Identifying Hot Film Air Mass Meter, Connector And Screw
Courtesy of BMW OF NORTH AMERICA, INC.

Postprocesses

Install acoustic cover
- Insert acoustic cover (1) into existing rubber guides.
  
  Fig 4: Identifying Acoustic Cover
  Courtesy of BMW OF NORTH AMERICA, INC.