BMW X5 2000-05

Heater Unit

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The auxiliary heating unit is located in the engine compartment on the right side against the firewall.

  1. Drain the cooling system.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Disconnect the electrical connectors.
    CAUTION
    The electrical connectors MUST be connected in the order shown in the illustration to avoid damage to the system.



    Click image to see an enlarged view

    Fig. Electrical connector installation sequence-Auxiliary heating unit

  6.  
  7. Disconnect the intake hose from the heater.
  8.  
  9. Disconnect the fuel line from the heater.
  10.  
  11. Disconnect the upper heater hose from the heating unit.
  12.  
  13. Disconnect the air exhaust hose from the unit.
  14.  
  15. Disconnect the lower heater hose from the heating unit.
  16.  
  17. Remove the mounting bolts and remove the heater unit.
  18.  
  19. Installation is the reverse order of removal.
  20.  
  21. Refill the cooling system to the correct level.

    Click image to see an enlarged view

    Fig. Disconnect the fuel line (1), heater hose (2), exhaust hose (6) and mounting bolt (4) to remove the heater unit (5)

  22.  

 
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