BMW X3 Service & Repair Manual > Auxiliary. heater with control elements: Removing and installing or replacing fuel pump (auxiliary heater)
Special tools required:
13 3 010
Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting vessel ready.
Catch and dispose of escaping fuel.
Observe country-specific waste disposal regulations.
Seal off fuel hoses at fuel pump with special tool 13 3 010 .
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