11 37 005 Removing and installing/replacing eccentric shaft (N12)

WARNING: This page is about a different variant/trim than selected.

Necessary preliminary tasks:

Release screw (2) on magnet wheel (1).

Tightening torque: 11 37 5AZ .

Fig 1: Identifying Magnet Wheel With Screw

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Pay attention to journal and groove on intermediate shaft and magnet wheel.

Fig 2: Identifying Journal And Groove On Intermediate Shaft And Magnet Wheel

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Magnet wheel (1) is extremely magnetic.
After removing, protect magnet wheel (1) against metal chips by placing it in a plastic bag (2) with a seal.

Fig 3: Identifying Magnet Wheel In Plastic Bag

Courtesy of BMW OF NORTH AMERICA, INC.

Adjust eccentric shaft to minimum lift (1).

Fig 4: Adjusting Eccentric Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws on all bearing caps (1).

Fig 5: Identifying Bearing Caps

Courtesy of BMW OF NORTH AMERICA, INC.

All bearing caps are marked with numbers from (6 to 10); set down in neat order in special tool 11 4 481.

Fig 6: Identifying Bearing Caps With Numbers

Courtesy of BMW OF NORTH AMERICA, INC.

Remove intermediate shaft (1).

Fig 7: Identifying Intermediate Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: If one or more needle bearings are faulty, the complete eccentric shaft must be replaced.
Magnet wheel (2) is highly magnetic. No metal chips must stick to the magnet wheel (2), replace if necessary.

Check all needle bearings (3) of eccentric shaft (1) for ease of movement.

Fig 8: Identifying Needle Bearings, Magnet Wheel And Eccentric Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

Bearing cap number 10 is provided with a stop.

Lubricate all bearing caps with engine oil.

All bearing caps (1) are identified with numbers from (6 to 10).

Tightening torque: 11 12 6AZ .

Adjust eccentric shaft minimum lift.

Fig 9: Identifying Bearings Caps

Courtesy of BMW OF NORTH AMERICA, INC.

Check eccentric shaft for ease of movement.

Assemble engine.