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Home >> BMW >> 2012 >> 640i 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Camshafts, Rocker Arms, Engine VALVETRAIN, Engine Lubrication System. Engine Oil Cooler - Repair - F12 >> Engine Oil Pump >> 11 41 115 Removing and installing/replacing hydraulic valve (N55)

11 41 115 Removing and installing/replacing hydraulic valve (N55)

Necessary preliminary work: 

Detach plug (1) from hydraulic valve (2).

Fig 1: Identifying Hydraulic Valve And Connector
G10042485Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove hydraulic valve.

Tightening torque: 11 41 4AZ .

Fig 2: Identifying Hydraulic Valve Screw
G10042486Courtesy of BMW OF NORTH AMERICA, INC.

Replace O-ring (1).

Fig 3: Identifying Hydraulic Valve O-Ring
G10042487Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Check function of Digital Engine Electronics.

CHECK ENGINE OIL PRESSURE .

DIAGNOSIS PATH :