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Home >> BMW >> 2002 >> X5 30i, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Fuel System - Repair Instructions - X5 (4.6L)) >> Injection Nozzle And Injection Pipe >> 13 53 540 Replacing, sealing fuel hoses

13 53 540 Replacing, sealing fuel hoses

WARNING: This page is about a different variant/trim than selected.
WARNING: The fuel in the fuel lines is under pressure (approx. 3-5 bar)!

Recycling  The fuel in the fuel lines is under pressure (approx. 3 to 5 bar)! Fuel emerges when the fuel lines are disconnected from the fuel filter. Catch and dispose of escaping fuel. Observe country-specific waste-disposal regulations.

Version with hose clamps: 

Release hose clamps.

Remove hoses (1) and (2).

Fig 1: Removing Hoses (Version With Hose Clamp)
G03255252Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

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

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
G03255253Courtesy of BMW OF NORTH AMERICA, INC.

Version, fuel hoses without integrated unlocking facility: 

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

Fig 3: Unlocking Fuel Hoses With Special Tool 16 1 050
G03255254Courtesy of BMW OF NORTH AMERICA, INC.

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.

Version, fuel hoses with integrated unlocking facility: 

Press fuel hose (1) downwards and keep pressed.

Fig 4: Installing Fuel Hose (1 Of 2)
G03255255Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Installing Fuel Hose (2 Of 2)
G03255256Courtesy of BMW OF NORTH AMERICA, INC.

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.

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.

Fig 6: Sealing Fuel Hoses And Lines With Special Tool
G03255260Courtesy of BMW OF NORTH AMERICA, INC.

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.

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