BMW X3 2005

Intake Manifold

Print

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Properly relieve the fuel system pressure.
  4.  
  5. Remove or disconnect the following:

    Negative battery cable
     
    Engine cover
     
    Oxygen (O 2 s) sensor connectors (mark connector locations before removing)
     
    Wiring from clips on intake manifold
     
    Battery positive lead from intake manifold
     
    Battery positive lead retainer
     
    Vent hose from cylinder head cover
     
    Retainer from top of engine and connection for intake air temperature sensor
     
    Fuel injector terminal strip and place aside
     
    Tank venting valve located near the dipstick
     
    Fuel line from clip and connection to pipe located near the water pump
     
    Dipstick tube guide
     
    Return line from dipstick tube
     
    Throttle assembly
     
    Knock sensor connector and nut on manifold support
     
    Intake manifold nuts
     
    Vacuum line on reverse side of intake manifold, if equipped
     
    Intake manifold

    Click image to see an enlarged view

    Fig. Showing knock sensor connector and nut on manifold support -3.0L engine



    Click image to see an enlarged view

    Fig. Showing intake manifold nuts-3.0L engine

     

  6.  

To install:

  1. Check all intake manifold gaskets and replace if necessary.
  2.  
  3. Inspect the rubber dampers at manifold connection and replace if needed.
  4.  
  5. Install intake manifold and torque bolts as follows:
    1. M6 bolts: 88 inch lbs. (10 Nm).
    2.  
    3. M7 bolts: 132 inch lbs. (15 Nm).
    4.  
    5. M8 bolts: 16 ft. lbs. (22 Nm).
    6.  

  6.  
  7. Install or connect the following:

    Knock sensor connector and manifold support nut
     
    Throttle assembly
     
    Return line to dipstick tube
     
    Dipstick tube guide
     
    Fuel line to clip and connection to pipe located near the water pump
     
    Tank venting valve located near the dipstick
     
    Fuel injector terminal strip
     
    Retainer to top of engine and connection for intake air temperature sensor
     
    Vent hose to cylinder head cover
     
    Battery positive lead retainer
     
    Battery positive lead to intake manifold
     
    Wiring to clips on intake manifold
     
    O 2 s sensor connectors
     
    Engine cover
     
    Negative battery cable
     

  8.  

 
label.common.footer.alt.autozoneLogo