13 53 240 Replacing complete injection pipe (M54)

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, and 2001 BMW X5. 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.

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

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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. 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: Unclipping Fuel Line From Holder

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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 Screws From Injection Pipe

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Installation:

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