18 32 060 Removing and installing/replacing catalytic exhaust-gas converter for cylinders 4-6 (N54)

WARNING: Scalding hazard. Only perform these tasks after exhaust system has cooled down.

Necessary preliminary tasks:

Release clamp. Clamp must be replaced each time it is released.

Tightening torque 18 31 3AZ .

In so doing, secure catalytic converter (1) against falling out.

Feed out catalytic converter (1) and remove.

Installation:

Clean sealing face. Replace seal and clamp.

Fig 1: Identifying Catalytic Converter

Courtesy of BMW OF NORTH AMERICA, INC.

Check exhaust system for leaks.

Add final details to vehicle.