Removing the catalytic converter for cylinders 5 to 8
WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
Precondition
- Ignition Is switched off.WARNING: Hot surfaces .
Risk of burning!- Perform all work only on components that have cooled down.
Preliminary work
- Refer to REMOVING THE LEFT AND RIGHT UNDERSHIELD (TANK COVER) .
- Refer to REMOVING THE REAR LEFT AND RIGHT TENSIONING STRUT .
- Refer to REMOVING THE LEFT AND RIGHT REAR DIFFUSER .
- Refer to REMOVING THE STIFFENING PLATE .
- Refer to REMOVING EXHAUST SYSTEM .
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING THE LEFT OXYGEN CONTROL SENSOR (Lambda).
- Refer to REMOVING RIGHT OXYGEN CONTROL SENSOR (Lambda).
- Refer to REMOVING SUSPENSION STRUT BRACE .
- Refer to REMOVING RIGHT SUSPENSION STRUT BRACE .
- Refer to REMOVING INTAKE SILENCER HOUSING .
- Refer to REMOVING THE RIGHT TENSION STRUT ON THE SHOCK TOWER .
- Refer to REMOVING COVER FOR THE RIGHT DME CONTROL UNIT .
- Refer to REMOVING THE RIGHT UNFILTERED-AIR DUCT .
- Refer to REMOVING THE RIGHT OXYGEN SENSOR MONITOR .
- Refer to REMOVING LEFT OXYGEN SENSOR MONITOR .
- Refer to REMOVING THE RIGHT-HAND ENGINE VENTILATION LINE AND THE CRANKCASE VENTILATION INTAKE PIPE .
- Refer to REMOVING THE LEFT ENGINE VENTILATION LINE .
- Refer to REMOVING UPPER HEAT SHIELD .
- Refer to RELEASING SCREW BETWEEN THE LEFT AND RIGHT HEAT SHIELD .
- Refer to REMOVING THE LEFT HEAT SHIELD .
- Refer to REMOVING RIGHT HEAT SHIELD .
WARNING:
Hot exhaust system
.
Risk of burning!
Risk of burning!
- Any work must exclusively be carried out with an exhaust system that has cooled down.
NOTE:
RISK OF DAMAGE
Damage to the gasoline particulate filter .
Forcibly removing, installing or dropping the gasoline particulate filter down will damage it .
Damage to the gasoline particulate filter .
Forcibly removing, installing or dropping the gasoline particulate filter down will damage it .
- Remove and install the gasoline particulate filter without damaging it and without applying external force.
- Avoid impacts/knocks to the gasoline particulate filter (e.g. by tools, falling down, hard contact with base).
NOTE:
TECHNICAL INFORMATION
In order to be able to remove the catalytic converter for cylinders 5 to 8, the catalytic converter for cylinders 1 to 4 also needs to be removed.
In order to be able to remove the catalytic converter for cylinders 5 to 8, the catalytic converter for cylinders 1 to 4 also needs to be removed.
- Loosen circlip (1) and remove.
- Loosen circlip (2) and remove.
- Loosen screws (1).
- Loosen screws (2).
- Loosen screw (3).
- Remove holder (4).
- Loosen screws (1).
- Loosen screws (2).
- Loosen screw (3).
- Remove holder (4).
- Remove the catalytic converter (1) for the cylinders 1 to 4 in arrow direction.
- Unscrew and remove the catalytic converter (1) for the cylinders 1 to 4 in arrow direction.
- Remove the catalytic converter (1) for the cylinders 5 to 8 in arrow direction.
- Unscrew and remove the catalytic converter (1) for the cylinders 5 to 8 in arrow direction.