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

WARNING: Compliance with the following points is mandatory before beginning work:

Observe SAFETY INFORMATION for working with electric vehicles.

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 Plug Connections On Intake And Exhaust Solenoid Valve

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Release screw (2).

Remove inlet 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 Screw And Solenoid Valve

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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

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Remove O-ring (2).

Remove support ring (1).

Installation note:

Replace support and O-rings.

Fig 4: Identifying O-Ring And Support Ring

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Assemble engine.

Check function of DME.