11 36 720 Removing And Installing/Replacing Both Solenoid Valves On Right Side (N73)

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NOTE: (Cylinders 1 to 6)

Necessary Preliminary Tasks:

Read out DME fault memory.
Remove design cover.
Remove upper section of intake filter housing with air-mass flow sensor and air intake hose. Refer to 13 71 010 REMOVING AND INSTALLING/REPLACING LEFT (OR RIGHT) INTAKE FILTER HOUSING (N73) .
Remove solenoid valve vacuum line.

NOTE: Illustrations show N62.

NOTE: Solenoid valve (1) controls adjustment unit on inlet side.

Solenoid valve (2) controls adjustment unit on exhaust side.

Disconnect plug connection of solenoid valves (1) and (2).

Release screws and remove holder (3).

Pull out solenoid valves (1 and 2).

Installation:

Check holder (3) for deformation; replace if necessary.

Fig 1: Locating Inlet/Exhaust Solenoid Valves Controls Adjustment Units

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Clean sealing faces (1) on cylinder head.

Fig 2: Identifying Sealing Faces

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Replace O-rings (1 and 2) on solenoid valve (3) and lubricate.

Apply a light coat of antiseize agent to O-rings.

Fig 3: View Of Solenoid Valve O-Rings

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Press in solenoid valves as far as they will go.

Make sure holders are in correct installation positions.

Install screw and tighten down.

Fig 4: Identifying Solenoid Valves In Holders

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of DME.