18 40 010 Removing and Installing/Replacing Left Exhaust Manifold (N62)

WARNING: This page is about a different car, the 2005 BMW 745i, 2004 BMW 745i, 2003 BMW 745i, and 2002 BMW 745i. 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.

Remove left oxygen control sensor. Refer to 11 78 530 REPLACING LEFT OXYGEN CONTROL SENSOR (N62) .

Remove left oxygen monitor sensor. Refer to 11 78 540 REPLACING LEFT OXYGEN MONITOR SENSOR (N62) .

Remove complete exhaust system. Refer to 18 00 020 Removing and installing complete exhaust system (N62) .

Secure engine in installation position with special tool. Refer to SECURING ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL (N62) .

Lower front axle support. Refer to FRONT AXLE SUPPORT .

Release lower universal joint of steering spindle. Refer to STEERING SPINDLE LOWER SECTION UNIVERSAL JOINT .

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

Release nuts on exhaust manifold.

Fig 1: Removing Exhaust Manifold

Courtesy of BMW OF NORTH AMERICA, INC.

Remove exhaust manifold towards bottom and pull out towards rear.

Installation:

Replace seals.

Fig 2: Identifying Beads Of Seals

Courtesy of BMW OF NORTH AMERICA, INC.

Beads of seals face the exhaust manifold.

Coat threads with copper paste.

Replace nuts. Tightening torque, 11 62 1AZ. Refer to ENGINE - TIGHTENING TORQUES .