13 53 332 Removing and installing/replacing feed line (Continental high pressure pump) (N55)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

WARNING: 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 safety goggles.

IMPORTANT: 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.

IMPORTANT: Ignition coils must not be contaminated by fuel.
The resistance of the silicone material is reduced significantly by contact with fuel, which may cause the ignition coil to fail!
Cover ignition coil with suitable means.

Necessary preliminary tasks:

Remove INTAKE PLENUM .

Recycling:

Fuel escapes when fuel lines are detached.

Catch and dispose of escaping fuel in a suitable container.

Observe country-specific waste disposal regulations.

Disengage connector (1) from the fuel low-pressure sensor, oil temperature sensor and the high pressure pump and remove.

Fig 1: Identifying Connector From Fuel Low Pressure Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Release fuel lines and seal off with special tools (1) 13 5 161 and (2) 13 5 162 .

Fig 2: Identifying Fuel Lines And Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) below cable channel (2).

Installation note:

Adhere to tightening/torque sequence.

Fig 3: Identifying Screws And Cable Channel

Courtesy of BMW OF NORTH AMERICA, INC.

Release nut (1) on high pressure pump.

Remove feed line (2).

Installation note:

Adhere to tightening/torque sequence.

Fig 4: Identifying Nut On High Pressure Pump And Feed Line

Courtesy of BMW OF NORTH AMERICA, INC.

Close off feed line and high pressure pump with a matching plug from set of special tools 32 1 270 .

Fig 5: Identifying Special Tools (32 1 270)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

First fit feed line (2) on high pressure pump and engine block only hand tight.

Adhere to tightening/torque sequence:

1. Tighten down nut (1) with special tool 13 5 020 . In doing so, hold against low-pressure sensor flange.
Tightening torque: 13 53 7AZ .

Fig 6: Identifying Feed Line And Nut
Courtesy of BMW OF NORTH AMERICA, INC.
2. Tighten bolts (1) below cable channel (2).
Tightening torque: 13 53 10AZ .

Fig 7: Identifying Bolts And Cable Channel
Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check fuel system for tightness.

Check function of DME.