11 61 050 Removing and installing intake plenum (N52T)

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Necessary preliminary tasks:

Remove IGNITION COIL COVER .
Remove left TRAILING LINK .
Remove EXPANSION TANK .
Remove SUCTION FILTER HOUSING .
Remove THROTTLE BODY .
Remove ENGINE CONTROL UNIT from intake plenum.
Remove PARTITION WALL in center of units compartment.
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, Holder And Engine Ventilation

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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: Identifying Plug Connection, Screws And Engine Wiring Harness

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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 injection pipe (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 .

Graphic (E92).

Fig 4: Identifying Fuel Rail, Screws And Nuts

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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.

Top up COOLANT .

Assemble engine.