1161050 Removing and installing intake air manifold (N51)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2010 BMW 328xi, 2010 BMW 328i, and 2009 BMW 328xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Open holder (2).

Disconnect plug connection (1) under manifold.

Release both crankcase breathers (3).

Fig 1: Identifying Plug Connection, Holder And Crankcase Breathers

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Disconnect plug connection (1).

Disconnect plug connection (3).

Release bolts (4).

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

Fig 2: Identifying Plug Connections And Engine Wiring Harness

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Disconnect plug connection (1) on oil pressure switch.

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 screw (1).

Unscrew nuts (3).

Tightening torque: 11 61 1AZ .

Fig 4: Identifying Fuel Rail With Screw And Nuts

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Raise intake manifold approx. 10 cm.

Disconnect plug connection (1) at bottom.

Release tank vent line behind throttle valve assembly.

Fig 5: Identifying Intake Manifold Plug Connection

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Installation:

Replace all seals.

Assemble engine.