Remove catalytic converter

WARNING: High-voltage system .
The high-voltage system operates on the basis of hazardous, electrical voltage and high currents. Mortal hazard through electric shock!

All work on the high-voltage system may only be carried out by specially trained and technically experienced personnel.
For additional information see:

SAFETY INSTRUCTIONS ON HANDLING HYBRID CARS .

For additional information see:

NOTES ON REPAIR OF HIGH-VOLTAGE BATTERY UNIT .

WARNING: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

Preliminary work

Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING ACOUSTIC COVER AT REAR .
Refer to REMOVING THE LAMBDA OXYGEN SENSOR .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVE COMPLETE EXHAUST SYSTEM .
Refer to REMOVING THE CENTER UNDERBODY PROTECTION .

WARNING: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

CAUTION: Heavy component .
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!

Note component's center of gravity.
Support component using a jack.
Secure component against falling off the jack.

Version A:

Loosen screw (1) .

Loosen nut (2) .

G14193063

Courtesy of BMW OF NORTH AMERICA, INC.

Version B:

Loosen nuts (1) .

G14193064

Courtesy of BMW OF NORTH AMERICA, INC.

Pull off the pressure hose (1) in arrow direction and set it aside.

G14193065

Courtesy of BMW OF NORTH AMERICA, INC.

Loosen screw (1) .
Feed out V-ribbon clamp (2) on the catalytic converter (3) and remove.

G14639566

Courtesy of BMW OF NORTH AMERICA, INC.

Guide out the catalytic converter (1) in the arrow direction and remove.

Make sure that the oxygen sensor monitor (2) is not damaged.

G14193067

Courtesy of BMW OF NORTH AMERICA, INC.