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

WARNING: This page is about a different car, the 2013 BMW 550i GT, 2012 BMW 550i GT, 2011 BMW 550i GT, and 2010 BMW 550i GT. However, it is still accessible from the selected car via links, so may be relevant.

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!

Unfasten screws (1 and 3).

Fig 1: Identifying Solenoid Valve And Screws

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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) must be cleaned.

Fig 2: Identifying Solenoid Valve O-Rings

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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 At Contact Edges

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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

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

Fig 5: Locating Solenoid Valve Housing Notches

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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 Valve And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Delete fault memory.

Check function of DME control unit.