18 40 010 Removing and installing/replacing left exhaust manifold (N62, N62TU)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Scalding hazard!
Only perform these tasks on an engine that has cooled down.

Necessary preliminary tasks:

Remove left control sensor . See 11 78 530 REPLACING LEFT OXYGEN CONTROL SENSOR (N62/N62TU)
Remove left monitor sensor . See 11 78 540 REPLACING LEFT OXYGEN MONITOR SENSOR (N62 / N62TU)
Remove complete exhaust system .
Secure engine in installation position with special tool . See 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (N62, N62TU)
Lower front axle support .
Release lower universal joint of steering spindle .

For purposes of clarity, nuts are shown on removed engine.

Release nuts on exhaust manifold from below.

Remove exhaust manifold towards bottom and pull out towards rear.

Fig 1: Locating Nuts On Exhaust Manifold

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace seals.

Seal beads faces the exhaust manifold.

Coat threads with copper paste.

Replace nuts.

Tightening torque 11 62 1AZ. See ENGINE - TIGHTENING TORQUES .

Fig 2: Seal Beads Faces Exhaust Manifold

Courtesy of BMW OF NORTH AMERICA, INC.