18 40 020 Removing And Installing/Replacing Right Exhaust Manifold (N62, N62TU)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 BMW 750i, 2008 BMW 750Li, 2007 BMW 750i, 2007 BMW 750Li, and 2006 BMW 750i. 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 RIGHT CONTROL SENSOR
Remove RIGHT MONITOR SENSOR
Remove COMPLETE EXHAUST SYSTEM
Secure ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL
E65 only:
Remove intake filter housing
Lower FRONT AXLE SUPPORT
E65 only:
Remove A/C COMPRESSOR DRIVE BELT
Remove RIGHT ENGINE SUPPORT ARM
BMW ALPINA B7 vehicles:
- Remove exhaust temperature sensor

Release screw connection of A/C compressor.

Place A/C compressor to one side and secure A/C system line so as to improve accessibility to nuts on exhaust manifold.

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

Release nuts on exhaust manifold.

Remove exhaust manifold towards bottom and pull out towards rear.

Fig 1: Locating Exhaust Manifold Nuts

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace seals.

Seal beads faces the exhaust manifold.

Coat threads with copper paste.

Replace nuts.

Tighteninig torque: 11 62 1AZ . See EXHAUST MANIFOLD for specs.

Fig 2: Identifying Exhaust Manifold Seals

Courtesy of BMW OF NORTH AMERICA, INC.