13 53 540 Replacing, Sealing Fuel Hoses

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: The fuel in the fuel lines is under pressure (approx. 3-5 bar)!

Recycling:

Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.

Version With Hose Clamps:

Release hose clamps.

Remove hoses (1) and (2).

Installation:

Fuel hoses and hose clamps must be replaced each time they are removed!

Fig 1: Locating Fuel Hoses

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Version With Compressed Air Connection:

Blow fuel back into tank with a short blast of compressed air (max. 3 bar) at compressed air connection (1).

Fig 2: Identifying Compressed Air Connection

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Version, Fuel Hoses Without Integrated Unlocking Facility:

Unlock fuel hoses with special tool 16 1 050 and detach hoses.

Installation:

Check O-ring in fuel hose and sealing surfaces on fuel lines for damage; replace components if necessary.
Coat O-ring for assembly with anti-friction agent.

Fig 3: Unlocking Fuel Hose Using Special Tool 16 1 050

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Version, Fuel Hoses With Integrated Unlocking Facility:

Press fuel hose (1) downwards and keep pressed.

Fig 4: Pressing Fuel Hose Downwards

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Press unlocking ring (2) upwards, keep pressed and detach fuel hose (1).

Installation:

Check O-ring in fuel hose and sealing surfaces on fuel lines for damage; replace components if necessary.
Coat O-ring for assembly with anti-friction agent.

Fig 5: Pressing Unlocking Ring Upwards

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Installation Instruction 1:

Always replace fuel hose (1) and hose clamps once they have been removed.

Fig 6: Installing Fuel Feed Line Screws

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Seal Off Fuel Hoses:

Fuel hoses with hose clamps:

Seal hoses with special tool 13 3 010.

Installation:

Fuel hoses and hose clamps must be replaced each time they are removed!

Fig 7: Installing Fuel Hoses Clamps

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Fuel Hoses With Quick-Release Couplings:

Seal fuel hoses (1) with special tool 13 5 281.

Seal fuel lines (2) with special tool 13 5 282.

Installation:

Check O-ring in fuel hose and sealing surfaces on fuel lines for damage; replace components if necessary.
Coat O-ring for assembly with anti-friction agent.

Fig 8: Sealing Fuel Hoses And Lines

Courtesy of BMW OF NORTH AMERICA, INC.