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11 37 008 Removing and Installing/Replacing Right Eccentric Shaft (N73)

WARNING: This page is about a different car, the 2008 BMW 760Li and 2007 BMW 760Li. However, it is still accessible from the selected car via links, so may be relevant.

(Cylinders 1 to 6)

Necessary preliminary tasks: 

NOTE: Removal of eccentric shaft is described separately from installation.
IMPORTANT: Eccentric shafts (1 to 6) and (7 to 12) are different and must not be mixed up.
Magnet wheel is highly magnetic and must be protected against metal chips with a plastic bag.

Carefully tilt bearing shell (1) to one side and simultaneously remove towards top.

NOTE: The work steps are only described on one eccentric shaft bearing.

The procedure is identical for the other eccentric shaft bearings.

Fig 1: Identifying Bearing Shell
G04740217Courtesy of BMW OF NORTH AMERICA, INC.

Remove eccentric shaft (1).

NOTE: (Illustrations show N62).
Fig 2: Identifying Eccentric Shaft
G04773841Courtesy of BMW OF NORTH AMERICA, INC.

Release screw and remove magnet wheel (1).

IMPORTANT: Magnet wheel (1) is extremely magnetic.
After removal, place magnet wheel (1) in a plastic bag to protect it against metal chips.
Fig 3: Placing Magnet Wheel
G04740235Courtesy of BMW OF NORTH AMERICA, INC.

Removal of lever (2) with roller (if necessary):

Grip lever (2) with roller at dihedral.

Release screw (1) and remove lever (2) with roller from eccentric shaft.

IMPORTANT: Levers with rollers of cylinders 1 to 6 and 7 to 12 are different and must not be mixed up.
Fig 4: Identifying Screw And Lever
G04773843Courtesy of BMW OF NORTH AMERICA, INC.

Carefully press needle bearing (1) apart at split position only to such an extent that it can be removed from eccentric shaft.

IMPORTANT: Needle bearing (1) can break very easily.
Fig 5: Removing Needle Bearing
G04740221Courtesy of BMW OF NORTH AMERICA, INC.

Designation: 

Lever (1) for cylinders 1 - 6.

Lever (2) for cylinders 7 - 12.

IMPORTANT: Lever with roller is identical to (N62).
They are different and must not be mixed up.
Markings 1 to 4 are for cylinders 1 to 6.
Markings 5 to 8 are for cylinders 7 to 12.
Fig 6: Identifying Mark On Cylinders Lever
G04773833Courtesy of BMW OF NORTH AMERICA, INC.

Secure lever (1) with lug in eccentric shaft groove.

Tighten screw (2).

Fig 7: Identifying Screw And Lever
G04773846Courtesy of BMW OF NORTH AMERICA, INC.

Secure magnet wheel (1) with lug in eccentric shaft groove.

IMPORTANT: Replace screws.
Only install original antimagnetic screw (2).

Insert screw (2) and tighten down.

Installation: 

Tightening torque 11 37 1AZ. See 11 37 VARIABLE VALVE GEAR

Fig 8: Locating Magnet Wheel With Lug In Eccentric Shaft Groove
G04773847Courtesy of BMW OF NORTH AMERICA, INC.

Install bearing shells (1) in such a way that ends of bearing shells (1) face each other as shown in illustration.

NOTE: Always replace bearing shells and needle bearings together.
Fig 9: Identifying Bearing Shells Installation Positions
G04740226Courtesy of BMW OF NORTH AMERICA, INC.

Install bearing shell (1) in bearing bracket and secure in bore (2).

NOTE: Apply a light coat of engine oil to bearing shells (1) when installing.

Illustrations show N62.

Fig 10: Identifying Bearing Shell In Bearing Bracket
G04740227Courtesy of BMW OF NORTH AMERICA, INC.

Insert eccentric shaft (2).

Installation: 

Lever (1) with roller points upwards in assembly position.

Machined curvature of eccentric points inwards.

IMPORTANT: Eccentric shafts 1 to 6 and 7 to 12 are different and must not be mixed up.
Fig 11: Identifying Eccentric Shaft Installation Positions
G04773850Courtesy of BMW OF NORTH AMERICA, INC.

Install bearing shells (1).

Installation: 

Apply a light coat of engine oil to bearing shells (1) when installing.

Bearing shells (1) must snap audibly into place.

Check correct position of bearing shells (1).

Fig 12: Identifying Bearing Shells
G04740231Courtesy of BMW OF NORTH AMERICA, INC.

Install right inlet camshaft (1 to 6).

Assemble engine.

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