13 53 540 

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.

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

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!

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

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).

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

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.

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

Version, fuel hoses with integrated unlocking facility:

Press fuel hose (1) downwards and keep pressed.

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

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.

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

M43, M44:

Cars with screw-mounted fuel feed line (2):

Follow installation instructions (1) and (2).

Installation instruction 1:

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

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

M43, M44: Installation instruction 2:

Always replace O-ring. Coat O-ring with anti-friction agent.

Clean sealing faces of fuel feed line.

If necessary, replace fuel feed line. Tightening Torque, refer to Technical Data 13 53 4AZ:

4AZ Feed line to fuel injection pipe
M43 / M44/M43TU 20 Nm

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

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!

Replacing, sealing fuel hoses on engine BMW M43, M44, M62, S62

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.