BMW X5: Intake Manifold

REMOVING AND INSTALLING AIR INTAKE MANIFOLD (N52K)

Necessary preliminary tasks:

• Remove Tension Strut
• Remove Intake Filter Housing
• Remove Ignition Coil Cover

Open holder (2).

Disconnect plug connection (1) under of air intake manifold.

Release both crankcase breathers (3).

Fig. 263: Crankcase Breathers, Plug Connection And Holder

Disconnect plug connection (1).

Disconnect plug connection (3).

Release screws (4).

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

Fig. 264: Engine Wiring Harness, Screws And Plug Connections

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

Fig. 265: Plug Connection And Oil Pressure Switch

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

NOTE: Do not detach fuel line.

Release screws (1).

For tightening torque refer to 11 61 1AZ.

Unscrew nuts (3).

For tightening torque refer to 11 61 2AZ.

Fig. 266: Fuel Rail, Nuts And Screws

Raise air intake manifold approx. 10 cm.

Disconnect plug connections (1) at bottom.

Release tank vent line behind throttle valve assembly.

Fig. 267: Plug Connections

Installation:

Replace all seals.

Exhaust Manifold

REMOVING AND INSTALLING/REPLACING FRONT EXHAUST MANIFOLD (N52/ N52K/ N51)

Necessary preliminary tasks:

• Remove rear exhaust manifold

NOTE: The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.

Remove control sensor from cylinders 1 to 3.

Remove monitor sensor from cylinders 1 to 3.

Tightening torque: 11 78 1AZ.

Unscrew nuts.

Remove exhaust manifold (1).

Installation:

Clean sealing faces and replace seals.

Replace nuts.

Fig. 268: Locating Exhaust Manifold Nuts

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