13 64 593 Removing And Installing/Replacing All Fuel Injectors (N73)

WARNING: This page is about a different car, the 2008 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see ENGINE- SPECIAL TOOLS and FUEL SYSTEM - SPECIAL TOOLS .

Special Tools Required:

11 0 171
11 0 172
11 0 173
11 0 174
11 0 175
13 1 430
13 5 250

Necessary Preliminary Tasks:

Remove manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (N73) .
Remove both fuel rails. Refer to 13 53 107 REMOVING AND INSTALLING/REPLACING BOTH INJECTION LINES (N73) .

Disconnect plug connection (1).

Release screws (3).

IMPORTANT: Do not open screws of locking washers (2).

Remove fuel injector holder (4).

Tightening torque, refer to 13 53 4AZ in FUEL SYSTEM - TIGHTENING TORQUES .

Fig 1: Plug Connection, Retaining Screws, Locking Washers And Fuel Injector Holder

Courtesy of BMW OF NORTH AMERICA, INC.

Fit special tool 13 1 430 on fuel injectors.

Screw special tool 13 5 250 onto special tool 13 1 430.

Drive out fuel injectors with counterweight in direction of arrow.

Fig 2: Fuel Injectors, Special Tools (13 5 250), (13 1 430) And Removal Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

These tasks are only necessary if the fuel injector is not replaced.

The Teflon rings must be replaced.

Remove Teflon ring (2) with special tool 11 0 171 from injector (1).

Fig 3: Teflon Ring, Fuel Injector And Special Tool (11 0 171)

Courtesy of BMW OF NORTH AMERICA, INC.

Attach new Teflon ring (1) to special tools 11 0 172 and 11 0 173.

Fig 4: Teflon Ring, Special Tools (11 0 172) And (11 0 173)

Courtesy of BMW OF NORTH AMERICA, INC.

Using special tools 11 0 172/11 0 173, preassemble Teflon ring (1) with special tool 11 0 174.

Installation:

Assembly position

Fig 5: Teflon Ring, Special Tools (11 0 174), *11 0 173), (11 0 172) And Installation Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Fit special tool 11 0 172 with preassembled Teflon ring (2) on injector (1).

Prepare special tool 11 0 175.

Fig 6: Preassembled Teflon Ring, Injector, Special Tools (11 0 172) And (11 0 175)

Courtesy of BMW OF NORTH AMERICA, INC.

Press injector (1) into special tool 11 0 175.

Fig 7: Injector, Special Tool (11 0 175) And Installation Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Installation:

Check function of DME.