13 53 205 Removing and installing/replacing left rail (N63, S63)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

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

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

IMPORTANT: Adhere to conditions of absolute cleanliness when working on the high-pressure fuel system.
Introduced dirt contamination 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.

Recycling

Fuel escapes when fuel line is detached. Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

Necessary preliminary tasks:

Read out fault memory of DME control unit. If necessary, work through test plans.
Switch off ignition
Remove fuel delivery line . See 13 53 332 REMOVING AND INSTALLING/REPLACING FEED LINE (N63) .
Disconnect all pressure lines . See 13 53 170 REMOVING AND INSTALLING/REPLACING ALL PRESSURE LINES (N63) on left side.

Unlock plug (1) on high-pressure sensor and disconnect.

Unfasten screws (2).

Tightening torque: 13 53 1AZ .

Remove rail (3).

Fig 1: Identifying Plug On High-Pressure Sensor And Rail

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine
Check fuel system for leak tightness.
Clear diagnostic fault entries from fault memory.