11 37 006 Removing and installing/replacing left eccentric shaft (N62 from 9/03): Installation

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Installation of eccentric shaft is described separately from removal.

NOTE: Lubricate eccentric shaft at bearing positions.
Replace needle bearing (1).

IMPORTANT: Needle bearings break off very easily when installed.

Carefully press needle bearings (1) apart at split position only to such an extent that they can be fitted over eccentric shaft.

Fig 1: Installing Needle Bearings

G03289532

Courtesy of BMW OF NORTH AMERICA, INC.

Eccentric shafts from 2/2003:

NOTE: Eccentric shafts of cylinders 1 to 4 and 5 to 8 are identical parts.

IMPORTANT: Note installation direction of eccentric shafts.
Depending on the side on which the magnet wheel is fitted, the eccentric shafts are used for cylinders 1 to 4 or 5 to 8.
Incorrect assembly will result in engine damage.

Installation of magnet wheel:

NOTE: Carefully clamp eccentric shaft (1) as illustrated with protective jaws (2) in a vice.

Fig 2: Clamping Eccentric Shaft In Vice

G03289533

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Incorrect assembly will result in engine damage.

Assemble eccentric shaft for cylinder bank 5 to 8:

The machined curvature (3) and the groove in the eccentric shaft must point forwards as illustrated.

Fig 3: Inserting Screw

G03289534

Courtesy of BMW OF NORTH AMERICA, INC.

The unmachined surface on the eccentric points to the left. Secure magnet wheel (1) with lug in eccentric shaft groove.

IMPORTANT: Only install original antimagnetic screw (2).

Insert screw (2) and tighten down.

Tightening torque 11 37 1AZ. Refer to ENGINE - TIGHTENING TORQUES .

NOTE: Replace bearing shells (1) of needle bearings.

IMPORTANT: Bearing shells (1) must be installed in such a way that ends of bearing shells (1) face each other as shown in illustration.

Fig 4: Identifying Bearing Shell

G03289535

Courtesy of BMW OF NORTH AMERICA, INC.

Insert bearing shells (1) into bearing bracket so that it is secured in bore (2).

Fig 5: Inserting Bearing Shells Into Bearing Bracket

G03289536

Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate bearing shells (1) with engine oil.

Fig 6: Lubricating Bearing Shells

G03289537

Courtesy of BMW OF NORTH AMERICA, INC.

Cylinder bank 5 to 8:

IMPORTANT: The machined curvature (1) of the eccentric points inwards.

Install eccentric shaft as shown in illustration.

Fig 7: Installing Eccentric Shaft

G03289538

Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate bearing shells (1) with engine oil.

Install bearing shells (1).

Fig 8: Installing Bearing Shells

G03289539

Courtesy of BMW OF NORTH AMERICA, INC.

Bearing shells (1) must snap audibly into place.

Check correct position of bearing shells (1).

Fig 9: Identifying Bearing Shells

G03289540

Courtesy of BMW OF NORTH AMERICA, INC.

Install left inlet camshaft. Refer to 11 31 032 Removing and installing/replacing left inlet camshaft (N62 from 9/03) .

Assemble engine.