13 53 240 Replacing complete injection pipe (M56): Recycling

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 BMW 325i, 2005 BMW 325Ci, 2004 BMW 325i, 2004 BMW 325Ci, and 2003 BMW 325i. However, it is still accessible from the selected car via links, so may be relevant.

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.

Remove microfilter.

Open cable duct on lower section of microfilter housing (2) and feed out cable (s).

Release screws (1) and remove lower section of microfilter housing (2).

Fig 1: Identifying Screws And Lower Section Of Microfilter Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Remove engine cover.

Fig 2: Identifying Engine Cover

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Removal is described separately from installation.

Removal:

Unclip plug connections (1 and 2) from holders.

Remove holders from plug connections (2).

Unlock and detach vent hose (3).

Unlock and detach terminal strip (4).

CAUTION: Catch and dispose of fuel as it escapes.

Fig 3: Identifying Plug Connections, Plug Connections, Vent Hose And Terminal Strip

Courtesy of BMW OF NORTH AMERICA, INC.

Release fuel line (5).

Slacken union nuts along line.

Unfasten screws.

Lift out injection pipe (1).

Fig 4: Identifying Union Nuts And Injection Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Union nut (1) and injector (2) cannot be separated.

Release union nut (1) and remove injector (2).

NOTE: This procedure is applicable to all injectors.

Fig 5: Identifying Union Nut And Injector

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Initially tighten union nut (1) loosely.

NOTE: This procedure is applicable to all injectors.

Fig 6: Identifying Union Nut And Injector

Courtesy of BMW OF NORTH AMERICA, INC.

Push special tool 13 1 142 onto injector.

Fig 7: Identifying Special Tool 13 1 142 On Injector

Courtesy of BMW OF NORTH AMERICA, INC.

Install injection pipe (1).

Install and tighten down screws.

Fig 8: Identifying Union Nuts And Injection Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Push special tool 13 1 141 onto plug connections of injectors.

Tighten down union nuts along line.

Tightening torque 13 53 16AZ .

Fig 9: Pushing Special Tool 13 1 141 Onto Plug Connections Of Injectors

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws.

Lift out injection pipe (1).

Fig 10: Identifying Union Nuts And Injection Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Detach special tool 13 1 142 from injector.

Fig 11: Identifying Special Tool 13 1 142 On Injector

Courtesy of BMW OF NORTH AMERICA, INC.

Install injection pipe (1).

Install and tighten down screws.

Fig 12: Identifying Union Nuts And Injection Pipe

Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down fuel line (5).

Tightening torque 13 53 15AZ .

Push on terminal strip (4) until it snaps audibly into place.

Push on vent hose (3).

Install holders for plug connections (2).

Push plug connections (1 and 2) into holders.

Fig 13: Identifying Plug Connections, Plug Connections, Vent Hose And Terminal Strip

Courtesy of BMW OF NORTH AMERICA, INC.