13 53 240 Replacing complete injection pipe (M54)

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Switch off ignition.
Remove cover for fuel injectors.HOUSING COVER

CAUTION: Mark plug connections (1) of oxygen monitor sensors for cylinder banks 1-3 and 4-6 to prevent them from being mixed up when they are installed later.

Unclip plug connections (1) from holders and disconnect.

When replacing injection pipe:

Remove both holders for plug connections (1) from injection pipe.

Disconnect plug connection of intake air temperature sensor (2).

Fig 1: Disconnecting Plug Connection Of Intake Air Temperature Sensor

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (3) on solenoid valve of VANOS adjustment unit.

Detach terminal strip (4) for fuel injectors from injection pipe.

Recycling

Fuel in fuel lines is under pressure (approx. 3 - 5 bar). Fuel escapes when fuel lines are detached. Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

E53 and E46 only:

Remove heater bulkhead.

Z3 only:

Remove cable strip for battery positive lead and engine wiring harness from bulkhead.

Z3, E85, E39, E46 and E53:

NOTE: For a better overview, this work step is shown on an engine that has been removed.

Unclip fuel line (1) from holder (2).

Follow instructions for unlocking fuel line.

Unlock fuel line (1) from cylinder head at rear.

Fig 2: Unlocking Fuel Line From Cylinder Head At Rear

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) and remove injection pipe with fuel injectors.

Installation:

Coat sealing rings of fuel injectors with anti-seize agent to facilitate Fitting of injection pipe.

Fig 3: Releasing Screws

Courtesy of BMW OF NORTH AMERICA, INC.