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Home >> BMW >> 2011 >> 740i >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine - Repair (N54, 2011-2012) >> Variable Camshaft Timing >> 11 36 652 Removing and installing/replacing inlet solenoid valve (N54)

11 36 652 Removing and installing/replacing inlet solenoid valve (N54)

IMPORTANT: Always check that the solenoid valves are clean during removal and installation.
Possible malfunctions if valves are contaminated:
  • Rough running
  • OBD incorrect entry
  • Poor exhaust gas values
  • Low engine power
IMPORTANT: Risk of damage!
Do not clean solenoid valves with compressed air.

Necessary preliminary tasks: 

NOTE: Carefully press coolant hose and pressure line (not shown) to one side.
NOTE: Solenoid valve (2) controls the inlet adjustment unit.

Disconnect plug connection (1).

Fig 1: Identifying Solenoid Valve And Plug Connection
G11164566Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Plug connection (1) must snap audibly into place!

Release screw (2).

Tightening torque 11 36 3AZ .

Carefully pull out solenoid valve (1).

Fig 2: Identifying Plug Connection And Screw
G11164567Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace sealing ring (1) on solenoid valve (2). 

Fig 3: Identifying Sealing Ring On Solenoid Valve
G06174819Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Moisten sealing ring (1) with engine oil.

Avoid damaging, e.g. notches or scratches, the solenoid valve (2).

IMPORTANT: Risk of damage!
Do not tilt solenoid valve (1) when inserting into cylinder head.
Fig 4: Identifying Plug Connection And Screw
G11164567Courtesy of BMW OF NORTH AMERICA, INC.

Carefully insert solenoid valve (1) as far as it will go.

Ensure correct installation position.

Insert screw (2) and tighten down.

Tightening torque 11 36 3AZ .

Assemble engine.

Now clear the fault memory.

Check function of DME control unit.