Removing the catalytic converters for the cylinders 1 to 6 (engine 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:
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.
- Before removal, pay attention to the installation position
of the catalytic converter (2) and the V-ribbon clip (3) on the exhaust turbocharger (1).
If necessary, mark the catalytic converter (2) with the commercially available tools.
- If installed
- Loosen screws (1).
- Release the screw (2).
- Release nut (3).
- Guide out and remove holder (4).
- If installed
- Feed out the adapter (1) and remove it.
- Release the V-ribbon clips (1).
- Feed out and remove the catalytic converter (2) for the cylinders 1 to 3.
- Feed out and remove the catalytic converter (3) for the cylinders 4 to 6.