BMW X5: Exhaust Manifold
REMOVING AND INSTALLING/REPLACING FRONT EXHAUST MANIFOLD (N52K)
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.
Unscrew nuts.
Remove exhaust manifold (1).
Fig. 15: Locating Nuts
Installation:
Clean sealing faces and replace seals.
Replace nuts.
Tightening torque, 18 40 1AZ.
Fig. 16: Locating Seal Beads
REMOVING AND INSTALLING/REPLACING REAR EXHAUST MANIFOLD (N52K)
Necessary preliminary tasks:
- Remove front underbody protection
- Remove rear underbody protection
- Remove steering gear cover at top right
- 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.
READ NEXT:
Exhaust System, Complete
REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (N62TU)
Special tools required:
31 2 220
WARNING: Scalding hazard!
Only perform this work after engine has cooled down.
Danger of injury!
Removal of
Mufflers
REPLACING REAR MUFFLER (N62TU)
Special tools required:
00 2 210
31 2 220
WARNING: Scalding hazard!
Only perform these tasks after exhaust system has cooled down.
Support exhaust system with specia
SEE MORE:
Replacing Cylinder Head Gasket (N52K)
Special tools required:
11 4 430
11 4 470
IMPORTANT: Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical
corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are r
Coolant
General information
Coolant consists of water and coolant additive.
Not all commercially available additives are suitable
for the vehicle. Do not mix additives of different
colors. Observe the water - additive mixture
ratio of 50:50. Information about suitable additives
is available from a dealer's
