18 40 010 Removing and installing/renewing left exhaust manifold (N63)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Risk of burning!
Only perform this repair work on an engine that has cooled down.

Necessary preliminary tasks

Remove left TURBOCHARGER .
Remove right TURBOCHARGER .
ALTERNATOR remove (not F04 ).

Release screws (1).

Tightening torque 18 31 4AZ .

Fig 1: Identifying Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2).

Fig 2: Identifying Heat Shield And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 18 31 4AZ .

Remove heat shield (2) at rear left.

Fig 3: Identifying Rear Left Heat Shield And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts.

Replace nuts.

Tightening torque 18 31 2AZ .

Remove exhaust manifold (1).

Installation note:

Replace gasket (2).

Reinstall securing strip.

Fig 4: Identifying Exhaust Manifold Nuts And Gasket

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Replace gaskets (1).

Seal beads faces the exhaust manifold.

Coat threads with copper paste.

Fig 5: Identifying Exhaust Manifold Gaskets

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check exhaust system for leaks.