13 53 205 Removing and installing/replacing left rail (N74)

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WARNING: Electric fuel pump starts up automatically when door is opened!
Observe warning on cylinder head cover.
Disconnect BATTERY NEGATIVE TERMINAL (risk of fire due to short-circuiting 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 velocity when the high-pressure line is released!

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 pipes or individual 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:

Remove PRESSURE LINES to injectors on left.
Remove PRESSURE LINE from high-pressure pump to rail on left.

Release screws (1).

Tightening torque: see 1AZ in 13 53 FUEL INJECTION NOZZLES AND PIPES

Unlock plug (2) on high-pressure sensor and disconnect.

Remove rail (3).

Fig 1: Identifying Rail, Plug And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Assemble engine

Check fuel system for leaks.

Delete fault memory.