Remove near-engine catalytic converter at the bottom of the cylinder bank 1
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.
WARNING:
Hot surfaces.
Risk of burning!
Risk of burning!
- Perform all work only on components that have cooled down.
WARNING:
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: 00... RAISING THE VEHICLE WITH A VEHICLE LIFT .
WARNING:
Car may slip off the vehicle hoist where components are supported.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Secure the vehicle hoist against lowering and lifting.
- Make sure that the vehicle does not lift off the mounting plates on the vehicle lift.
NOTE:
TECHNICAL INFORMATION
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For additional information see: 11 00... OVERVIEW OF CONSUMABLES IN APPLICABLE BMW PARTS CATALOGUE .
Grease the threads of new oxygen sensors thinly and evenly.
For oxygen sensors that are reused, the following should be observed:
Thinly and evenly grease the oxygen sensor on the thread only. Do not clean the part of the oxygen sensor that does not protrude into the exhaust line (sensor ceramics) and do not grease.
For additional information see: 11 00... OVERVIEW OF CONSUMABLES IN APPLICABLE BMW PARTS CATALOGUE .
Preliminary work
- Refer to REMOVING THE ACOUSTIC COVER .
- Refer to REMOVING RIGHT SUSPENSION STRUT BRACE .
- Refer to REMOVING THE INTAKE FILTER HOUSING ON THE LEFT .
- Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 2 .
- Refer to REMOVING THE LEFT INTAKE SILENCER BRACKET .
- Refer to REMOVING RIGHT INTAKE SILENCER HOUSING .
- Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
- Refer to REMOVING OIL FILLER NECK .
- Refer to REMOVING THE RIGHT INTAKE SILENCER BRACKET .
- Refer to PARTIAL UNINSTALLATION OF THE ENGINE VENTILATION LINE OF CYLINDER BANK 1 .
- Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 1 TO 4 .
- Refer to REMOVING THE LOW-TEMPERATURE COOLANT EXPANSION TANK .
- Refer to REMOVING THE CROSS OF THE TRANSMISSION WIRING HARNESS .
- Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 1 TO 4 .
- Refer to REMOVING LAMBDA OXYGEN SENSOR FOR THE CYLINDERS 5 TO 8 .
- Refer to REMOVING UPPER HEAT SHIELD .
- Refer to REMOVING THRUST FIELD .
- Refer to REMOVING THE AIR DUCT .
- Refer to REMOVING THE REAR LEFT AND RIGHT TENSION STRUT .
- Refer to REMOVE EXHAUST SYSTEM .
Removing the version with gasoline particulate filter for cylinders 1 to 4
Removing the differential pressure sensor of the cylinders 1 to 4
- Release nut (2).
- Unlock plug connection (1) and disconnect.
- Unclip the hose (4) from the clamp (3).
- Release nut (1).
- Unclip the pressure line (2) out of the clamps (3).
- Loosen screw (1).
- Slide V-clip (2) up onto the near-engine catalytic converter.
- Release nuts (1).
- Remove the catalytic converter near engine (2) from the stud bolts.
- Feed out catalytic converter near engine (3) in downward direction.