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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2592 (Engine - Repair - N52 - E90) >> Variable Valve Gear >> 11 37 010 Removing and installing/replacing intermediate levers (N52K) >> Version 1 >> Installation

Version 1: Installation

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2011 BMW 328xi, 2011 BMW 328i, 2011 BMW 323i, 2010 BMW 328xi, and 2010 BMW 328i. However, it is still accessible from the selected car via links, so may be relevant.

All contact surfaces (1) must be clean and free from oil and grease. If necessary, clean contact surfaces (1).

Fig 1: Identifying Contact Surfaces And Intermediate Levers
G04751238Courtesy of BMW OF NORTH AMERICA, INC.

All intermediate levers (1) are classified.

All intermediate levers (1) must be reinstalled in the same positions in an engine which has already been in use.

Fig 2: Identifying Intermediate Levers
G04751239Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Before installing intermediate levers (2), make sure cam followers are correctly positioned.

Risk of damage! 

Install intermediate levers (2).

Fig 3: Identifying Contact Surfaces And Intermediate Levers
G04751238Courtesy of BMW OF NORTH AMERICA, INC.

Fit guide block (2) cleanly into opening.

Tighten screws (1) hand-tight.

Check that intermediate levers are in correct installation position.

Release screws (1) by a 1/4 turn.

Fig 4: Identifying Screws And Guide Block
G04751236Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 4 450 to screw fixing (1) of eccentric shaft.

Move eccentric lever (3) on special tool 11 4 450 in direction of arrow.

Guide block is now pretensioned.

Insert screws (2) of guide blocks.

Tightening torque 11 37 1AZ .

Installation: 

Fig 5: Turning Eccentric Lever
G04751242Courtesy of BMW OF NORTH AMERICA, INC.

At cylinder no. 3, the guide block can be pre-installed with one screw (internal) only.

Oil spray nozzle is fitted only after torsion spring has been installed.

Install torsion spring (2) on guide block.

Installation: 

Insert torsion spring (2) in intermediate lever (1) (see arrow).

Check that cam follower (3) is in correct installation position.

Fig 6: Inserting Torsion Spring In Intermediate Lever
G04751243Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 4 270 to guide block (2) using locking pliers (3).

IMPORTANT: Special tool 11 4 270 is only secured to guide block (2).
The position of the locking pliers (3) on the special tool 11 4 270 must not be altered. Risk of damage! 
Fig 7: Identifying Gripping Pliers And Guide Block With Special Tool (11 4 270)
G04751230Courtesy of BMW OF NORTH AMERICA, INC.
WARNING: Risk of injury in event of incorrect use.
IMPORTANT: Improper handling. Risk of damage! 

Secure both bearing pins (2) in torsion springs with knurled screw (1) of special tool 11 4 270 .

Fig 8: Identifying Bearing Pins And Knurled Screw With Special Tool (11 4 270)
G04751231Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Check torsion spring on intermediate lever to ensure correct installation position.

Press special tool 11 4 270 to stop in direction of arrow.

Insert screw (2) of torsion spring.

Tightening torque 11 37 2AZ .

To avoid misalignment of screw (2) with torsion spring, it is necessary when inserting screw (2) to increase tension on special tool 11 4 270 evenly.

IMPORTANT: Thread on cylinder head. Risk of damage! 
Fig 9: Identifying Steel Screw
G04751232Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 4 270 .

At cylinder no. 3, adjust oil spray nozzle (2) so that oil spray points precisely towards spline teeth (3).

Insert screw (1) with oil spray nozzle (2) (external).

Tightening torque 11 37 4AZ .

Fig 10: Identifying Oil Spray Nozzle, Spline Teeth And Screw
G04751247Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.