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Home >> BMW >> 2011 >> Z4 35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (Engine - Repair (N52)) >> 1162 Exhaust Manifold >> 18 40 060 Removing and installing/replacing rear exhaust manifold (N52K)

18 40 060 Removing and installing/replacing rear exhaust manifold (N52K)

WARNING: This page is about a different variant/trim than selected.

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 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 .

Fig 1: Locating Exhaust Manifold Nuts
G04751275Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check exhaust system for leaks.