11 61 050 Removing and Installing Intake Plenum (N55)

Necessary Preliminary Tasks:

Disconnect All Plug Connections (1) On Engine Control Unit.

Fig 1: Identifying Plug Connections On Engine Control Unit

Courtesy of BMW OF NORTH AMERICA, INC.

Open Retaining Clip (1).

Release Wiring Harness Section (2) From Retaining Clip (1).

Fig 2: Identifying Wiring Harness Section and Retaining Clip

Courtesy of BMW OF NORTH AMERICA, INC.

Release All Wiring Harness Sections From Holder (1).

Disconnect Plug Connection (2) At Charging Pressure Sensor.

Fig 3: Identifying Plug Connection and Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Release All Wiring Harness Sections From Holders (1 and 2).

Fig 4: Identifying Wiring Harness Sections and Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect Plug Connection (1) On Tank Vent Valve.

Fig 5: Identifying Plug Connection On Tank Vent Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Press and Hold Down The Unlocking Device On The Vacuum Line (1) On The Vacuum Reservoir (Cylinder Head Cover) In Direction of Arrow.

Detach Vacuum Line (1) In Upward Direction.

Fig 6: Locating Unlocking Device On Vacuum Line

Courtesy of BMW OF NORTH AMERICA, INC.

Detach Vacuum Line (2) In Upward Direction.

Fig 7: Identifying Vacuum Line and Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect Plug Connection (1) On Throttle Valve Drive.

Fig 8: Identifying Plug Connection On Throttle Valve Drive

Courtesy of BMW OF NORTH AMERICA, INC.

Release Screw (1).

Tightening torque: 11 61 2AZ .

Unscrew Nuts (2).

Tightening torque: 11 61 1AZ .

Fig 9: Identifying Exhaust Manifold Screw and Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation Note:

Replace All Gaskets.

Assemble Engine.