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Replacing high pressure fuel sensor on engine BMW S55

13 53 596

Observe warning on cylinder head cover.
Disconnect negative battery terminal (risk of fire due to short circuit on dismantling).
Electric fuel pump starts up automatically when door is opened!
Carry out installation work on fuel system only with coolant temperature below 40 °C.

Wear full face guard and protective gloves.
Fuel can emerge spontaneously at high speed when the high pressure line is released!

Read and comply with notes on protection against electrostatic discharge (ESD protection).

Adhere to conditions of absolute cleanliness when working on the high-pressure fuel system.
Introduced contaminants can cause malfunctions in the system!
Do not allow any dirt particles or foreign bodies to get into the system.
Remove all traces of dirt before removing lines or separate components.
Use only fluff-free cloths.
Seal all fuel system openings with protective caps or plugs.

Fuel escapes when fuel lines are detached.
Catch and dispose of escaping fuel in a suitable container.
Observe country-specific waste disposal regulations.

Necessary preliminary tasks:
Remove rail.


Undo high pressure sensor (1) with special tool 32 2 100 and remove.

If necessary, seal rail with matching plug from set of special tools 32 1 270 .

Preparation for installation:

Check sealing ring of fuel high pressure sensor, renew if necessary.


Install and tighten high pressure sensor (1).
Tightening torque 13 53 4AZ.

This post was last modified on September 7, 2017 10:26 am

Categories: 13 Fuel system
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