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 electric wastegate valve controller.
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) .
Remove reinforcement plate (1) .

Fig 1: Exhaust Turbocharger Nuts Loosening Sequence
Courtesy of BMW OF NORTH AMERICA, INC.

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.
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.

Courtesy of BMW OF NORTH AMERICA, INC.