11 36 655 Removing and installing/replacing both solenoid valves (N55)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: On removing and installing the VANOS solenoid valve (intake) and VANOS solenoid valve (exhaust), adhere to conditions of absolute cleanliness.
Possible malfunction if there is dirt contamination in the valves:

Irregular operation
OBD fault entry
Exhaust gas emission characteristics.
Low engine performance

Necessary preliminary tasks:

Remove ignition coil cover. See 12 00..... REMOVING AND INSTALLING/REPLACING IGNITION COIL COVER (N55) .

Disconnect plug connection (1) on VANOS intake solenoid valve.

Disconnect plug connection (2) on VANOS exhaust solenoid valve.

Fig 1: Identifying Connectors For Intake/Exhaust Solenoid Valves

G09845657

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (2).

Remove VANOS intake solenoid valve (1) with holder towards the front.

Release screw (3).

Move VANOS exhaust solenoid valve (4) with holder approx. 10 millimeters towards the front

Tightening torque: 11 36 3AZ .

Fig 2: Identifying Intake/Exhaust Solenoid Valves And Screws

G09845658

Courtesy of BMW OF NORTH AMERICA, INC.

Turn the VANOS exhaust solenoid valve (1) approx. 90° in direction of arrow until it can be removed from the front on engine wiring harness.

Fig 3: Turning Exhaust Solenoid Valve

G09845659

Courtesy of BMW OF NORTH AMERICA, INC.

Remove O-ring (2).

Remove support ring (1).

Installation note:

Replace support and O-rings.

Fig 4: Identifying Support Ring And O-Rings

G09845660

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of Digital Engine Electronics.