Remove catalytic converter
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2025 BMW X4, 2024 BMW X4, 2023 BMW X4, 2022 BMW X4, and 2021 BMW X4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
Preliminary work
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING RIGHT FRONT-END STRUT .
- Refer to REMOVING INTAKE SILENCER HOUSING .
- Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR .
- Refer to REMOVING THE CENTER UNDERBODY PROTECTION .
- Refer to REMOVING REAR UNDERBODY PROTECTION .
- Refer to REMOVING TANK COVER ON LEFT AND RIGHT .
- Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
- Refer to REMOVING EXHAUST SYSTEM .
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
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.
CAUTION:
Component with heavy weight.
Injury hazard!
Injury hazard!
- Note component's center of gravity.
- Support component using a jack.
- Secure component against falling off the jack.
NOTE:
The following step(s) must be performed if the specified component(s) is/are installed.
- Detach pressure hose.
- Pull off the pressure hose (1) in arrow direction and set it aside.
- Loosen V-band clamp (1).
- Loosen nuts (1).
- Unlock and loosen clamp (1).
- Feed out catalytic converter and remove.