11 36 655 Removing And Installing/Replacing Both Solenoid Valves (N52K)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2013 BMW 128i, 2012 BMW 128i, 2011 BMW 128i, 2010 BMW 128i, and 2009 BMW 128i. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: It is essential to observe conditions of absolute cleanliness when removing and installing the inlet and exhaust solenoid valves.

Possible malfunction if valves are contaminated:

Rough running
OBD fault entry
Exhaust emission characteristics
Low engine power

Necessary preliminary tasks:

Remove ignition coil cover as necessary. See 11 00 REMOVING AND INSTALLING/REPLACING ACOUSTIC COVER (N52/N52K) .

Fig 1: Locating Inlet Solenoid Valve & Connectors

Courtesy of BMW OF NORTH AMERICA, INC.

Disconnect plug connection (1) on inlet solenoid valve (2). Release screw (3).

NOTE: Secure support and sealing ring against falling down.

Remove inlet solenoid valve (2) with bracket towards front.

Disconnect plug connection (6) on exhaust solenoid valve (5).

Release screw (4).

NOTE: Secure support and sealing ring against falling down.

Remove exhaust solenoid valve (5) with bracket towards front.

Tightening torque. See 11 36 3AZ in 11 36 VARIABLE CAMSHAFT CONTROL VANOS .

IMPORTANT: Risk of mixing up plug connections (1 and 6).

Installation:

Replace support and sealing rings.

Assemble engine.

Check function of DME.