Auxiliary Cabin Heater Fuel Pump: Service and Repair

64 12 600 - Removing and installing or replacing fuel pump





Special tools required:
- 13 3 010 13 3 010 Hose Clip





Diesel only:

Warning!
Bear in mind the heater number when replacing the fuel pump (independent heating metering pump).

For this purpose, read out the heater number via the BMW DIS system and use this number to select the associated fuel pump from the table below.

In the event of incorrect installation, fuel can escape and black smoke can be issued when the independent heater is started.

Note:










Necessary preliminary tasks:
- Remove left underbody panelling Removing and Installing/Replacing Left or Right Underbody Panelling





Seal off water hoses at fuel pump with special tool 13 3 010 13 3 010 Hose Clip.





Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting container ready.

Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.





Release screw (1).





Disconnect plug connection (1).

Release hose clamps (2) and detach fuel hoses.

Disengage rubber retainers (3).

Note:
Secure fuel pump (4) against falling out.

Installation Note:
Observe direction of flow of fuel pump (4).