18 40 020 Removing and installing/replacing right exhaust manifold (S65)

WARNING: This page is about a different car, the 2011 BMW M3, 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. 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 COMPLETE EXHAUST SYSTEM
Secure ENGINE IN INSTALLATION POSITION WITH SPECIAL TOOL
Lower FRONT AXLE SUPPORT
Remove RIGHT ENGINE SUPPORT ARM

NOTE: For purposes of clarity, the following work steps are shown on the engine after it has been removed.

Release screws.

Remove heat shield.

Fig 1: Locating Heat Shield Mounting Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Remove exhaust manifold (1).

Installation:

Replace nuts.

Tightens nuts on each flange.

Replace seals, paying attention to installation location of seals.

Tightening torque 18 40 1AZ .

Fig 2: Locating Exhaust Manifold Mounting Nuts

Courtesy of BMW OF NORTH AMERICA, INC.