18 40 050 Removing and installing/replacing front exhaust manifold (N52/ N52K/ N51)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW X5, 2010 BMW X3, 2009 BMW X5, 2009 BMW X3, and 2008 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
Necessary preliminary tasks:
- Remove rear exhaust manifold
NOTE:
The oxygen sensors are in danger of being damaged when the exhaust manifolds are removed and installed.
Remove control sensor from cylinders 1 to 3.
Remove monitor sensor from cylinders 1 to 3.
Tightening torque: 11 78 1AZ, see 11 78 EXHAUST GAS CONTROL, LAMBDA CONTROL SENSOR / LAMBDA MONITOR SENSOR .
Unscrew nuts.
Remove exhaust manifold (1).
Installation:
Clean sealing faces and replace seals.
Replace nuts.