11 65 024 Removing and installing/replacing exhaust-gas turbocharger for cylinders 4-6 (N54)

WARNING: This page is about a different car, the 2010 BMW X6, 2009 BMW X6, and 2008 BMW X6. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove fan cowl with electric fan. See 17 11 035 REMOVING AND INSTALLING/REPLACING FAN COWL WITH ELECTRIC FAN (N54) .
Draining coolant . See 17 00 005 DRAINING AND ADDING COOLANT (N54) .
Remove front right WHEEL ARCH COVER (FRONT SECTION) .
Remove both catalytic exhaust-gas converters . See EXHAUST CATALYTIC CONVERTER .
Remove vacuum unit ( wastegate valve ) , cylinders 4-6
Remove right charge-air duct
Remove AIR DUCT (N54) , cylinders 1-3
Remove AIR DUCT (N54) , cylinders 4-6

Release screws (2).

Tightening torque 11 42 7AZ , see OIL FILTER AND LINES

Installation:

Replace seal.

Unscrew bolt (3).

Tightening torque 11 42 8AZ , see OIL FILTER AND LINES

Remove oil return line (1) in direction of arrow.

Installation:

Replace O-ring.

Fig 1: Identifying Screws, Bolt And Oil Return Line

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Where necessary, to release the coolant feed lines (3 and 4), do not place pliers on the pipes.
Risk of damage!

Release screws (1 and 2).

Tightening torque 11 53 10AZ , see THERMOSTAT AND CONNECT

If necessary, release coolant feed lines (3 and 4) with suitable pliers at connection.

Installation:

Replace O-rings.

Fig 2: Identifying Screws And Coolant Feed Lines

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: For purposes of clarity, the graphic shows the released coolant feed lines removed.

Release screws (1).

Tightening torque 11 53 3AZ , see THERMOSTAT AND CONNECT

Remove feed line (2).

Installation:

Replace seal.

Fig 3: Identifying Screws And Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Where necessary, to release the coolant return line (2), do not place pliers on the pipe.
Risk of damage!

Release screw (1).

Tightening torque 11 53 9AZ , see THERMOSTAT AND CONNECT

If necessary, release coolant return line (2) with suitable pliers at connection.

Installation:

Replace O-ring.

Fig 4: Identifying Screw And Coolant Return Line

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Where necessary, to release the coolant feed and return lines (2 and 3), do not place pliers on the pipes.
Risk of damage!

Release screw (1).

Tightening torque 11 53 8AZ , see THERMOSTAT AND CONNECT

If necessary, release coolant feed line (3) with suitable pliers at connection.

Installation:

Replace O-rings.

Fig 5: Identifying Screw And Coolant Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, release coolant return line (2) with suitable pliers at connection and remove.

Installation:

Replace O-rings.

Release screws (1).

Tightening torque 11 65 2AZ , see SUPERCHARGER

Remove retaining plate (2).

Unfasten screws (3 and 4).

Tightening torque 11 65 2AZ , see SUPERCHARGER

Fig 6: Identifying Screws, Retaining Plate And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Carefully swing out heat shields (2 and 3) in direction of arrow.
Risk of damage!

Remove heat shield (3) in direction of arrow.

Remove heat shield (2) in direction of arrow.

NOTE: Coolant feed line (1) can be removed with heat shield (2).

Fig 7: Identifying Heat Shield And Coolant Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Tightening torque 11 42 4AZ , see OIL FILTER AND LINES

Release oil feed line (2) in direction of arrow.

Installation:

Replace O-ring.

Fig 8: Identifying Screw And Oil Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1).

Tightening torque 11 65 3AZ , see SUPERCHARGER

Set holder (2) down on cylinder head cover.

Fig 9: Identifying Screws And Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew nuts (1).

Tightening torque 11 65 1AZ , see SUPERCHARGER

Remove turbocharger (2) downwards.

Fig 10: Identifying Nuts And Turbocharger

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (2).

Tightening torque 11 42 5AZ , see OIL FILTER AND LINES

IMPORTANT: Where necessary, to release the oil feed line (3), do not place pliers on the pipe.
Risk of damage!

If necessary, release oil feed line (3) with suitable pliers at connection and remove.

Installation:

Replace O-rings.

Fig 11: Identifying Screw And Oil Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace graphite sealing rings (1).

Assemble engine.

Clear fault memory in DME control unit.

Carry out BMW LEAK TEST for intake system.

Observe DME control unit instructions.