BMW X5 Owners & Service Manuals

BMW X5: Intake Manifold

REMOVING AND INSTALLING AIR INTAKE MANIFOLD (N52K)

Necessary preliminary tasks:

Open holder (2).

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

Release both crankcase breathers (3).

Intake Manifold
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.

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

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

Intake Manifold
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.

Intake Manifold
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.

Intake Manifold
Fig. 267: Plug Connections

Installation:

Replace all seals.

Exhaust Manifold

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

Necessary preliminary tasks:

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.

Exhaust Manifold
Fig. 268: Locating Exhaust Manifold Nuts

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