Remove exhaust turbocharger

WARNING: Hot surfaces.
Risk of burning!

Perform all work only on components that have cooled down.

NOTE: RISK OF DAMAGE
Electrostatic discharge.
Damage to or destruction of electrical components.

Leave the electrical components in their original packaging until they are being installed. Only use the original packaging for returning the product. Always package removed components straight away.
Read and comply with user information on using the associated special tool 12 7 060.
Only tap the housings of electrical components. Do not tap pins or multi-pin connectors directly.
Wear electrically conductive clothing and antistatic shoes (with ESD symbol).
For additional information see: NOTES ON ESD (ELECTROSTATIC DISCHARGE) PROTECTION

NOTE: TECHNICAL INFORMATION
Prior to replacing the exhaust turbocharger: Observe the notes on troubleshooting on the exhaust turbocharger.

NOTE: TECHNICAL INFORMATION
For exhaust turbocharger damage: Check the pressure pipes, charge air cooler and intake plenum for foreign matter, damage and correct functionality.
If the oil return line is exchanged, then the connecting pipe to the oil sump must ALWAYS be cleaned, as the connecting pipe can coke.

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE COVER ON LEFT AND RIGHT IN THE ENGINE COMPARTMENT AT THE TOP .
Refer to REMOVING BOTH FRONT-END STRUTS .
Refer to REMOVING FRONT CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE INTAKE FILTER HOUSING (TENSION STRUT ON SHOCK TOWER REMOVED) .
Refer to REMOVING THE RESONATOR WITH THE TOP CLEAN AIR PIPE .
Refer to REMOVING BOTTOM CLEAN AIR PIPE .
Refer to REMOVING CHARGE AIR LINE .
Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
Refer to REMOVING THE OXYGEN SENSOR MONITOR .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION OR FRONT THRUST FIELD .
Refer to REMOVING THE UNDERBODY PROTECTION OF THE STEERING GEAR AND THRUST FIELD RESPECTIVELY .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to REMOVING THE COVER OF THE STEERING ASSEMBLY .
Refer to DRAINING THE COOLANT FROM THE HIGH-TEMPERATURE COOLING SYSTEM .
Refer to CONNECTING THE COOLANT LINES FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to IF INSTALLED: REMOVE THE TORSION STRUT ON THE RIGHT AND LEFT WHERE REQUIRED .
Refer to REMOVING COMPLETE EXHAUST SYSTEM .
Refer to REMOVING CATALYTIC CONVERTER .
Refer to REMOVING THE OIL RETURN LINE FOR THE EXHAUST TURBOCHARGER .

Exhaust turbocharger

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: Heavy component.
Heavy components can lead to injury or damage.

Remove and install heavy components with the aid of another person/other persons.

NOTE: RISK OF DAMAGE
Damage of the electric wastegate valve controller.
Excessive force when removing and installing a jammed exhaust turbocharger may damage the electric wastegate valve controller.

Do not pull on the electric wastegate valve controller.
Apply force only at the turbine housing and exhaust manifold.
Do not pull on the compressor housing.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Unlock and loosen coolant line (1).
Catch and dispose of leakage coolant.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1).
Feed out the oil feed line (2) for the exhaust turbocharger and set it aside.
Catch and dispose of emerging motor oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1) and (2).
Feed the coolant feed line for the exhaust turbocharger (3) out of the crankcase and place aside.
Catch and dispose of leakage coolant.

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1) and (2).
Feed out the support (3) and remove it.

Courtesy of BMW OF NORTH AMERICA, INC.
Unlock and loosen connector (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screws (1).
Feed out and remove the heat shield (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the nuts (1).
Loosen screws (2).

Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION:
Heavy component.
Heavy components can lead to injury or damage.
- Remove and install heavy components with the aid of another person/other persons.
Guide out and remove the exhaust turbocharger (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Guide out and remove gaskets (1).

Courtesy of BMW OF NORTH AMERICA, INC.