Removing the exhaust turbocharger (cylinder head removed)

CAUTION: Spring preload.
Injury hazard!

The use of the specified special tool (tool) is mandatory.
Carry out the described steps properly.

NOTE: RISK OF DAMAGE
Contaminant or foreign body.
Contamination can result in malfunctions, loss of function or leaks.

Adhere to the utmost cleanliness.
Protect components from contamination e.g. by covering.
Close off line connections with seal plugs.

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 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
Exhaust manifold/exhaust turbocharger is not bolted to the underside, but clamped instead. When removing/replacing the exhaust manifold/exhaust turbocharger, the trim strip remains screwed on.

Release the nut in the sequence (5) to (1) .

Fig 1: Exhaust 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.
Ensure that the trim strip (2) remains screwed when removing the exhaust turbocharger (1) .
The exhaust turbocharger (1) is not screwed on the bottom side, but rather is clamped in the trim strip (2) .
Guide out and remove the exhaust turbocharger (1) .
Feed out and remove the seal (1) in the marked areas.

Courtesy of BMW OF NORTH AMERICA, INC.