11 37 006 Removing And Installing/Replacing Left Eccentric Shaft (N62 From 9/03 And N62TU): Installation

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

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: Identifying Needle Bearings

G04740221

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: Identifying Bearing Caps

G04777293

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Incorrect assembly will result in engine damage.

Assembling eccentric shaft for cylinder bank 5 to 8:

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

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. See ENGINE - TIGHTENING TORQUES -- ALPINA .

Fig 3: Identifying Magnet Wheel And Antimagnetic Screw

G04740225

Courtesy of BMW OF NORTH AMERICA, INC.

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 Shells

G04740226

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

G04740227

Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate bearing shells (1) with engine oil.

Fig 6: Identifying Bearing Shell

G04740222

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 graphic.

Fig 7: Identifying Eccentric Shaft

G04740229

Courtesy of BMW OF NORTH AMERICA, INC.

Lubricate bearing shells (1) with engine oil.

Install bearing shells (1).

Fig 8: Installing Bearing Shells

G04740230

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

G04740231

Courtesy of BMW OF NORTH AMERICA, INC.

Install left inlet camshaft. See 11 31 032 REMOVING AND INSTALLING/REPLACING LEFT INLET CAMSHAFT (N62 FROM 9/03 AND N62TU) .

Assemble engine.