BMW X5: Exhaust Manifold

REMOVING AND INSTALLING/REPLACING FRONT EXHAUST MANIFOLD (N52K)

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.

Unscrew nuts.

Remove exhaust manifold (1).

Fig. 15: Locating Nuts

Installation:

Clean sealing faces and replace seals.

Replace nuts.

Tightening torque, 18 40 1AZ.

Fig. 16: Locating Seal Beads

REMOVING AND INSTALLING/REPLACING REAR EXHAUST MANIFOLD (N52K)

Necessary preliminary tasks:

• Remove front underbody protection
• Remove rear underbody protection
• Remove steering gear cover at top right
• Remove complete exhaust system

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

Remove control sensor from cylinders 4 to 6.

Remove monitor sensor from cylinders 4 to 6.

Unscrew nuts.

Remove exhaust manifold (1).

Installation:

Clean sealing faces and replace seals.

Replace nuts.

Tightening torque 18 40 1AZ.

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