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

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. 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 .

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

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

Fig 1: Identifying VANOS Solenoid Valve Plug Connection

G09953470

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 VANOS Solenoid Valve Plug Connection And Screw

G09953471

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 VANOS Exhaust Solenoid Valve

G09953472

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 And O-Rings

G09953473

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of Digital Engine Electronics.