11 36 715 Removing and installing/replacing both solenoid valves on left side (N63)

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. 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 5-8:

Necessary preliminary tasks:

Read out fault memory in DME control unit
Switch off ignition
Unlock hose on tank venting valve and disconnect
Remove left CHARGE AIR COOLER
Carefully press pipe to one side

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

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Release 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: Identifying 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: Identifying 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

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

Fig 5: Locating Solenoid Valve Housing Surface

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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 Valves And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Delete fault memory.

Check function of DME control unit.