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 2010 BMW 535xi, 2009 BMW 535xi, and 2008 BMW 535xi. 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.
Only perform these tasks after exhaust system has cooled down.
Necessary preliminary tasks:
- Remove catalytic converter, cylinders 1-3
NOTE:
The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.
- Remove control sensor, cylinders 4 to 6 . See 78 EMISSION CONTROL, OXYGEN SENSOR .
- Remove monitor sensor, cylinders 4 to 6 . See 78 EMISSION CONTROL, OXYGEN SENSOR .
Unfasten clip. In so doing, secure catalytic converter (1) against falling out.
Remove catalytic converter (1).
Installation:
Clean sealing face and replace seal.
Tightening torque 18 00 3AZ.