18 40 020 Removing and installing/replacing right exhaust manifold
WARNING: This page is about a different car, the 2010 BMW 650i, 2009 BMW 650i, 2008 BMW 650i, 2007 BMW 650i, and 2006 BMW 650i. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Scalding hazard!
Only perform these tasks on an engine that has cooled down.
Only perform these tasks on an engine that has cooled down.
Necessary preliminary tasks:
- Remove right control sensor . See 11 78 533 REPLACING RIGHT OXYGEN CONTROL SENSOR (N62/N62TU) .
- Remove right monitor sensor . See 11 78 543 REPLACING RIGHT OXYGEN MONITOR SENSOR (N62/N62TU) .
- Remove Complete Exhaust System .
- Secure engine in installation position with special tool . See 11 00 670 SECURING ENGINE IN INSTALLATION POSITION (N62, N62TU) .
- Remove INTAKE FILTER HOUSING .
- Lower front axle support . 31 11 506 LOWERING/RAISING FRONT AXLE CARRIER .
- Remove A/C compressor drive belt . See 11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (N62) .
- Remove right engine support arm . See 22 11 100 REPLACING RIGHT ENGINE SUPPORT ARM (N62) .
- On BMW ALPINA B7 vehicles: Remove exhaust temperature sensor.
Release screw connection of A/C compressor. Place A/C compressor to one side and secure A/C system line so as to improve accessibility to nuts on exhaust manifold.
For purposes of clarity, nuts are shown on removed engine.
Release nuts on exhaust manifold.
Remove exhaust manifold towards bottom and pull out towards rear.
Installation:
Replace seals.
Seal beads faces the exhaust manifold.
Coat threads with copper paste.
Replace nuts.
Tightening torque, see 11 62 1AZ in 11 62 EXHAUST MANIFOLD .