BMW X3 2005

Throttle Body

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove or disconnect the following:

    The negative battery terminal
     
    Intake filter housing
     
    Intake hose (between intake filter housing and throttle body)
     
    Disconnect the resonance flap (1)
     
    Disconnect the idle-speed control valve (2)

    Click image to see an enlarged view

    Fig. Location of resonance flap and idle-speed control valve

     
    Disconnect the oil pressure switch
     
    Disconnect the oil temperature switch
     
    Disconnect plug from tank venting valve
     
    Remove screws on cable duct mounting
     
    Remove screw and remove oil dipstick guide tube
     
    Unlock plug (1) and detach from throttle body (3)
     
    Remove screws (2) and remove throttle body (3)

    Click image to see an enlarged view

    Fig. Removing throttle body

     

  4.  

To install:

  1. Replace sealing ring between throttle body and intake manifold.
    NOTE
    A faulty throttle adjusts the adaptation values stored in the DME control unit. These adaptation values must be reset after the throttle assembly has been replaced.

  2.  
  3. The installation continues in the reverse of the removal procedure.
  4.  

 
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