18 32 060 Removing and installing/replacing catalytic exhaust-gas converter for cylinders 4-6 (N54)
WARNING: This page is about a different car, the 2013 BMW Z4, 2012 BMW Z4, 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Scalding hazard!
Only perform these tasks after exhaust system has cooled down.
Necessary preliminary tasks
- Remove CATALYTIC CONVERTER for cylinders 1-3
NOTE:
The oxygen sensors are in danger of being damaged when the catalytic exhaust-gas converters are removed and installed.
Remove CONTROL SENSOR , cylinders 4 to 6.
Remove MONITOR SENSOR from cylinders 4 to 6.
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.
Align catalytic converter to exhaust system connection flange and tighten down.
Check exhaust system for leaks.
Add final details to vehicle.