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Home >> BMW >> 2021 >> X1 sDrive28i >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair (F48 Fwd) >> 11 37 VALVETRONIC >> 11 37 020 Removing and installing/replacing servomotor for eccentric shaft

11 37 020 Removing and installing/replacing servomotor for eccentric shaft

Necessary preliminary tasks: 

Removal: 

Release screw (1).

Remove top partition wall (2) in upwards direction.

G11645310Courtesy of BMW OF NORTH AMERICA, INC.

Unlock and disconnect the connector (1).

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Release screws (1).

G11645312Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Risk of damage  to intermediate shaft.

Use a reversible ratchet (1) and 4 mm  hexagon socket wrench to turn the servomotor in direction of arrow to the left and relax the intermediate shaft.

NOTE: Do not rotate shaft too far (maximum/end stop).
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Remove actuator drive.

Installation: 

Detach the shaft seal (1) in direction of arrow and replace.

G11645314Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Press the shaft seal (1) to the limit position on the housing.
G11645315Courtesy of BMW OF NORTH AMERICA, INC.

Insert controller drive (1) as far as the gearing.

Use a 4 mm  hexagon socket wrench to screw in the controller drive (1) in direction of arrow as far as the limit position.

G11645316Courtesy of BMW OF NORTH AMERICA, INC.

Tighten screws (1).

Tightening torque: 11 37 2AZ .

G11645312Courtesy of BMW OF NORTH AMERICA, INC.

Connect the plug (1).

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Install top partition wall (2).

Tighten screw (1).

G11645310Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: