Removing both exhaust turbochargers for cylinders 1 to 6 (cylinder head removed)
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. 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 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.
- Release the screws (arrows).
- Guide out and remove heat shield (1) .
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.
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.
- Secure the exhaust turbocharger for cylinders 4 to 6 to prevent it from falling.
- Release nuts in the order (4) to (1) .
- Guide out and remove reinforcement plate (1)
.
- Guide out and remove exhaust turbocharger (1) for cylinders 4 to 6.
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.
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.
- Secure the exhaust turbocharger for cylinders 1 to 3 to prevent it from falling.
- Release nuts in the order (4) to (1) .
- Guide out and remove reinforcement plate (1)
.
- Guide out and remove exhaust turbocharger (1)
for cylinders 1 to 3.
- Guide out and remove seals (1) from the marked area.