11 61 086 Removing and installing/renewing mixing tube for intake air (N47)

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Necessary preliminary tasks:

Remove ACOUSTIC COVER
Release positive battery cable from alternator and holder. See 12 42 500 REPLACING THE POSITIVE BATTERY CABLE BETWEEN THE STARTER MOTOR, ALTERNATOR AND POSITIVE BATTERY CONNECTION POINT (N47) or 12 42 500 REPLACING THE POSITIVE BATTERY LEAD BETWEEN THE STARTER MOTOR, ALTERNATOR AND BATTERY POSITIVE CONNECTION POINT (N47 WITH SCR) .

Detach plug connections (1) from throttle body and charge air pipe.

Fig 1: Detaching Plug Connections From Throttle Body And Charge Air Pipe

G09945289

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on throttle valve assembly.

Tightening torque: 13 54 1AZ .

Installation note:

Replace seals on throttle body and intake air mixing tube.

Fig 2: Throttle Valve Assembly And Screws

G09945290

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Unfasten screws (2).

Disconnect plug connection of exhaust-gas temperature sensor.

Remove mixing tube towards front.

Fig 3: Exhaust-Gas Temperature Sensor Screws

G09945291

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace O-ring (1).

Replace gasket (2).

Fig 4: O-Ring And Gasket

G09925149

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Pay attention to mounting lugs (1).

Remove mixing tube in direction of arrow.

Fig 5: Removing Mixing Tube

G09925150

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Reset adaptation values with diagnosis system.