11 61 050 Removing and installing intake air manifold (N52)

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Necessary preliminary work:

Remove IGNITION COIL COVER .
Remove left TRAILING LINK .
Remove SUCTIONING FILTER HOUSING .
Remove THROTTLE BODY .
Remove ENGINE CONTROL UNIT from intake plenum.
Remove FIREWALL , center and left
Unclip cable from holder on intake plenum.
Detach oil reservoir for hydraulic steering and place to one side.

Open holder (2).

Disconnect plug connection (1) under of intake plenum.

Release engine ventilation from cylinder head cover.

Fig 1: Identifying Plug Connection, Holders And Crankcase Breathers

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Disconnect plug connection (1).

Disconnect plug connection (3).

Release screws (4).

Detach engine wiring harness (2) from intake plenum and lay to one side.

For purposes of clarity, graphic shows intake plenum removed (E92).

Fig 2: Engine Wiring Harness, Screws And Plug Connections

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Disconnect plug connection (1) on oil pressure switch (2).

Fig 3: Identifying Plug Connection On Oil Pressure Switch

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Release fuel rail (2) and lay to one side.

NOTE: Do not detach fuel line.

Release screws (1).

Tightening torque 11 61 1AZ .

Unscrew nuts (3).

Tightening torque 11 61 2AZ .

Fig 4: Identifying Fuel Rail, Screws And Nuts

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Graphic (E92).

Raise intake plenum approx. 10 cm.

Disconnect plug connections (1) at bottom.

Fig 5: Identifying Plug Connections

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Installation note:

Replace all gaskets.

Assemble engine.