11 36 720 Removing and installing/renewing both solenoid valves on right side (N63)

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IMPORTANT: Always check that the solenoid valves are clean during removal and installation.
Possible malfunctions if valves are contaminated:

Irregular operation
OBD incorrect entry
Poor exhaust gas values
Low engine performance

IMPORTANT: Risk of damage!
Do not clean solenoid valves with compressed air.

Solenoid valves, cylinders 1-4:

Necessary preliminary work:

Read out fault memory in DME control unit
Switch off ignition
Remove right INTERCOOLER
Release holder for electropneumatic pressure converter (EPPC) and carefully press to one side

NOTE: Solenoid valve (4) controls the inlet adjustment unit.
Solenoid valve (2) controls the exhaust adjustment unit.

Unlock plug connections of solenoid valves (2 and 4) and disconnect.

Installation note:

Plug connections must snap audibly into place!

Fig 1: Identifying Solenoid Valves With Plug Connections

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws (1 and 3).

Tightening torque 11 36 3AZ .

Pull out solenoid valves (2 and 4).

Installation note:

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

Installation note:

To install solenoid valves, coat both O-rings with engine oil.

If the solenoid valve is to be reused, the filter strainer (see arrow in illustration) must be cleaned.

Fig 2: Locating Solenoid Valve O-Rings

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: If a filter element is clogged with dirt, the filter element (filter strainer) may be removed.

Release filter elements (1) at contact edges.

Fig 3: Locating Filter Elements

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Bend open welding spots on filter element (1) with a screwdriver (2) in direction of arrow until welding spots are opened.

Fig 4: Bending Open Welding Spots On Filter Element Using Screwdriver

Courtesy of BMW OF NORTH AMERICA, INC.

Avoid damaging, e.g. notches or scratches, the solenoid valve housing (see arrows in illustration).

Fig 5: Locating Solenoid Valve Housing

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully insert solenoid valves (2 and 4) up to stop.

Ensure correct installation position.

Insert screws (1 and 3) and tighten down.

Tightening torque 11 36 3AZ .

Fig 6: Identifying Solenoid Valves With Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Delete fault memory.

Check function of DME control unit.