18 40 060 Removing and installing/replacing rear exhaust manifold (N52K)
WARNING: This page is about a different car, the 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.
Necessary preliminary tasks
- Remove right TENSION STRUT
- Remove front UNDERBODY PROTECTION
- Remove rear UNDERBODY PROTECTION
- Remove COMPLETE EXHAUST SYSTEM
NOTE:
The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.
Remove CONTROL SENSOR from cylinders 4 to 6.
Remove MONITOR SENSOR from cylinders 4 to 6.
Unscrew nuts.
Remove exhaust manifold (1).
Installation:
Clean sealing faces and replace seals.
Replace nuts.
Tightening torque 18 40 1AZ .
Assemble engine.
Check exhaust system for leaks.