Remove 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 PROTECTION (ELECTRO STATIC DISCHARGE) .

NOTE: TECHNICAL INFORMATION
For 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.

NOTE: TECHNICAL INFORMATION
Rattling noises in the engine compartment are caused due to increased play in the linkage of the wastegate valve controller.
To eliminate the rattling noises, a repair kit 5A7A286 for the wastegate linkage with a modified spring and an additional spacer sleeve can be ordered from the applicable BMW parts catalogue.
It is not necessary to replace the entire electrical wastegate valve controller .

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING INTAKE SILENCER HOUSING .
Refer to REMOVING THE CLEAN AIR PIPE WITH THE RESONATOR .
Refer to REMOVING CHARGE AIR LINE .
Refer to REMOVING THE FRONT ACOUSTIC COVER FOR THE ENGINE .
Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING THE CENTER 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 REMOVING COMPLETE EXHAUST SYSTEM .
Refer to REMOVING CATALYTIC CONVERTER .
Refer to REMOVING THE COOLANT FEED LINE FOR THE EXHAUST GAS TURBOCHARGER .
Refer to REMOVING THE COOLANT RETURNING LINE FOR THE TURBOCHARGER .
Refer to REMOVING THE OIL RETURN LINE FOR THE TURBOCHARGER .

Turbocharger

Courtesy of BMW OF NORTH AMERICA, INC.

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

Do not pull on the electrical wastegate valve controller or on the coupling rod.
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.

Loosen screw (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Loosen screw (1).
Guide out the heat shield (2) out of the marked area and remove.

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.
Unlock and loosen connector (1).

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

Courtesy of BMW OF NORTH AMERICA, INC.
Protect the turbocharger (A) from falling.
NOTE: TECHNICAL INFORMATION
Exhaust manifold/turbocharger is not bolted to the underside, but clamped instead. When removing/replacing the exhaust manifold/turbocharger, the trim strip remains screwed on.
Release the nut in the sequence (5) to (1).

Fig 1: Turbocharger Nuts Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.
Remove reinforcement plate (1).

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.
Courtesy of BMW OF NORTH AMERICA, INC.
Feed out the turbocharger (1) and set it aside.
Feed out the oil feed line (1) for the turbocharger and set it aside.
Guide out and remove the turbocharger (2).

Courtesy of BMW OF NORTH AMERICA, INC.
Guide the seal (1) out of the marked area and remove.

Courtesy of BMW OF NORTH AMERICA, INC.