BMW X5: Intake Manifold
REMOVING AND INSTALLING AIR INTAKE MANIFOLD (N52K)
Necessary preliminary tasks:
- Remove Tension Strut
- Remove Intake Filter Housing
- Remove Ignition Coil Cover
Open holder (2).
Disconnect plug connection (1) under of air intake manifold.
Release both crankcase breathers (3).
Fig. 263: Crankcase Breathers, Plug Connection And Holder
Disconnect plug connection (1).
Disconnect plug connection (3).
Release screws (4).
Detach engine wiring harness (2) from air intake manifold and lay to one side.
Fig. 264: Engine Wiring Harness, Screws And Plug Connections
Disconnect plug connection (1) on oil pressure switch (2).
Fig. 265: Plug Connection And Oil Pressure Switch
Release fuel rail (2) and lay to one side.
NOTE: Do not detach fuel line.
Release screws (1).
For tightening torque refer to 11 61 1AZ.
Unscrew nuts (3).
For tightening torque refer to 11 61 2AZ.
Fig. 266: Fuel Rail, Nuts And Screws
Raise air intake manifold approx. 10 cm.
Disconnect plug connections (1) at bottom.
Release tank vent line behind throttle valve assembly.
Fig. 267: Plug Connections
Installation:
Replace all seals.
Exhaust Manifold
REMOVING AND INSTALLING/REPLACING FRONT EXHAUST MANIFOLD (N52/ N52K/ N51)
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.
Unscrew nuts.
Remove exhaust manifold (1).
Installation:
Clean sealing faces and replace seals.
Replace nuts.
Fig. 268: Locating Exhaust Manifold Nuts
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Danger Of Poisoning If Oil Is Ingested/Absorbed Through The Skin
Danger of poisoning!
Ingesting oil or absorbing through the skin may cause poisoning!
Possible symptoms are:
Headaches
Dizziness
Stomach aches
Vomiting
Diarrhoea
Cramps/fits
Unconsciousness
P
SEE MORE:
Vacuum Supply All Models
Fig. 2: Identifying Air Brakes Vacuum Supply Models
INTRODUCTION
Vacuum is principally used for the brake booster.
The vacuum in the inlet pipe depends on the varying engine load.
Diesel engines do not normally have any vacuum in the inlet pipe. Vacuum on
diesel engines is provided by a
pump tha
System Wiring Diagrams
ANTI-THEFT
Fig. 1: Access/Start Circuit (1 of 3)
Fig. 2: Access/Start Circuit (2 of 3)
Fig. 3: Access/Start Circuit (3 of 3)
Fig. 4: Anti-theft & Central Locking Circuit (1 of 2)
Fig. 5: Anti-theft & Central Locking Circuit (2 of 2)
BODY CONTROL MODULES
Fig. 6: Body Control Modules Cir
