Removing the exhaust turbocharger (cylinder head removed)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 BMW M340i xDrive, 2024 BMW M340i, 2023 BMW M340i xDrive, 2023 BMW M340i, and 2022 BMW M340i xDrive. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Spring preload
.
Injury hazard!
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 .
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.
CAUTION:
Heavy component
.
Heavy components can lead to injury or damage .
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 .
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
Do not damage the thermal compensating elements. Disassembly and installation including intermediate storage of the exhaust turbocharger is only permitted with mounted special tool 2 466 919.
Do not damage the thermal compensating elements. Disassembly and installation including intermediate storage of the exhaust turbocharger is only permitted with mounted special tool 2 466 919.
- Ready the special tool 2 446 919
and the special tool 2 466 467
.
- Install the special tool 2 446 919
on the exhaust turbocharger and secure it with the bolt (1)
.
- Secure the special tool 2 446 919
by turning the clamping lever (1)
in the direction of the arrow.NOTE: The clamping lever shown in the graphic is already in its end position.
- Make sure that the special tool 2 446 919
is flush with the exhaust turbocharger in the marked area
.
- Position the holder (1)
and fasten it with the bolt (2)
.NOTE: The holder is used for the final mounting of the special tool 2 446 919 .
- Tighten the nut (1) hand-tight.
- Tighten the nut (2) hand-tight.
- Make sure that the special tool 2 466 467
is correctly positioned on the exhaust turbocharger (3)
.
- Tighten the nut (1) hand-tight.
- Tighten the nut (2) hand-tight.
- Make sure that the special tool 2 466 467
is correctly positioned on the exhaust turbocharger (3)
.
- Tighten nut (1)
with standard tools (2)
.TIGHTENING TORQUE SPECIFICATION
Special tool 2 466 467 on special tool 2 446 919 M8 tightening torque 5 Nm - Tighten nut (1)
with standard tools (2)
.TIGHTENING TORQUE SPECIFICATION
Special tool 2 466 467 on special tool 2 446 919 M8 tightening torque 5 Nm - Tighten nut (1)
with standard tools (2)
.TIGHTENING TORQUE SPECIFICATION
Special tool 2 466 467 on special tool 2 446 919 M8 tightening torque 5 Nm - Tighten nut (1)
with standard tools (2)
.TIGHTENING TORQUE SPECIFICATION
Special tool 2 466 467 on special tool 2 446 919 M8 tightening torque 5 Nm 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 (7) to (1) .
- Secure exhaust turbocharger against falling down.
- Guide out and remove the sliding frame (1)
.CAUTION: Heavy component .
Heavy components can lead to injury or damage .- Remove and install heavy components with the aid of another person/other persons.
- Carefully guide out and remove the exhaust turbocharger (1) .
- Thermal compensating element of the exhaust turbocharger (1)
or the exhaust manifold should not
be bent or deformed.
- Feed out and remove the seal (1)
in the marked area.