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

WARNING:

High-voltage hazard!

The following must be strictly observed prior to starting work :

Observe SAFETY INFORMATION for handling hybrid cars.

IMPORTANT: It is essential to observe conditions of absolute cleanliness when removing and installing the intake and exhaust solenoid valves.
Possible malfunction if there is dirt contamination in the valves:

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

Necessary preliminary work:

Remove IGNITION COIL COVER .

Disconnect plug connection (1) on intake solenoid valve.

Disconnect plug connection (2) on exhaust solenoid valve.

Fig 1: Identifying Connectors For Intake/Exhaust Solenoid Valves

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (2).

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

Release screw (3).

Remove exhaust solenoid valve (4) with holder approx. 10 mm towards front.

Tightening torque 11 36 3AZ .

Fig 2: Identifying Intake/Exhaust Solenoid Valves And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 3: Turning Exhaust Solenoid Valve

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

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Assemble engine.

Check function of DME.