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 325Ci, 2005 BMW 325xi, 2005 BMW 325i, 2005 BMW 325Ci, and 2004 BMW 325xi. 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. See 13 53 240 REPLACING COMPLETE INJECTION PIPE (M56)

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).

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

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

Fig 1: Uncliping Plug Connections From Holders

Courtesy of BMW OF NORTH AMERICA, INC.

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, refer to 51 71 080 REMOVING AND INSTALLING/REPLACING HEATER 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).

Fig 2: Uncliping Fuel Line From Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Follow instructions for unlocking fuel line, refer to 13 53 540 REPLACING, SEALING FUEL HOSES .

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

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

Fig 3: Removing Injection Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

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