13 31 035 Replacing Fuel Line (S54)

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NOTE:

For Special Tool identification, see FUEL SYSTEM - SPECIAL TOOLS - 3-SERIES (M54/E46) .

Special Tools Required:

12 1 120

Interrogate fault memory of DME control unit. Switch off ignition.

Remove intake air manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (S54) .

Remove starter motor. Refer to 12 41 020 REMOVING AND INSTALLING/REPLACING STARTER MOTOR (S54) .

Recycling

Fuel emerges when fuel line is detached. Catch and dispose of escaping fuel.

Observe country-specific waste-disposal regulations.

CAUTION: The connector strip (1) may break if it is removed without special tool 12 1 120.

Fig 1: Identifying Connector Strip

G03118228

Courtesy of BMW OF NORTH AMERICA, INC.

Unlock connector strip with special tool 12 1 120 in sequence 1 to 6.

Fig 2: Identifying Connector Strip Removal Sequence

G03118229

Courtesy of BMW OF NORTH AMERICA, INC.

Release upper screw of fuel line (2) from return line. Unclip vacuum line from holders on fuel line.

Fig 3: Removing Upper Screw Of Fuel Line From Return Line

G03118230

Courtesy of BMW OF NORTH AMERICA, INC.

Release lower screw of fuel line (2) from engine block.

Follow instructions for unlocking fuel line. Refer to 13 53 540 REPLACING, SEALING FUEL HOSES .

Unlock fuel feed line and detach from fuel line (2).

Fig 4: Removing Fuel Feed Line

G03118231

Courtesy of BMW OF NORTH AMERICA, INC.

Detach retainer (1).

Pull fuel line out of fuel injector rail and remove.

Fig 5: Removing Retainer

G03118232

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Interrogate fault memory of DME control unit. Check stored fault messages. Rectify faults. Then clear fault memory.