BMW Cars 1999-06

Knock Sensor (KS) 2

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Removal & Installation



5.4L (M73) Engine-Right Sensor

CAUTION
Make sure that the ignition is switched off and no electrical equipment is on or running.

  1. Access the fault memory of control unit of Digital Motor Electronics (DME), check for any stored fault messages, rectify those faults and clear the fault memory.
  2.  
  3. Disconnect the battery.
  4.  
  5. Remove the air intake manifold.
  6.  
  7. Unfasten the screws for the knock sensor 1 and 2 in their respective locations.

    Click image to see an enlarged view

    Fig. The screw location for the knock sensor 1 on the right side



    Click image to see an enlarged view

    Fig. The screw location for the knock sensor 2 on the right side, for cylinders 3 to 6

  8.  

To install:

  1. Return the sensors in their proper places (making sure not to mix them) and screw them into place.
  2.  

 
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