11 14 151 Replacing crankshaft radial shaft seal (N18)

Special tools required:

Necessary preliminary work:

Break off PTFE ring (2) with a punch (1).

IMPORTANT: Risk of damage! to crankcase and to crankshaft!

Fig 1: Breaking Off PTFE Ring Using Drift

Courtesy of BMW OF NORTH AMERICA, INC.

Use the supplied screws (1) to install the special tool 11 9 611 on the crankshaft.

Fig 2: Securing Special Tool (11 9 611) With Supplied Screws To Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Position the PTFE ring (1) with the support ring (2) on the special tool 11 9 611 .

Push PTFE ring (1) in direction of arrow over support ring (2) onto crankshaft.

Fig 3: Pushing PTFE Ring Over Supporting Ring Onto Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Connect the special tool 11 9 612 .

Use the special tool 11 9 613 to draw the PTFE ring in.

Fig 4: Installing PTFE Ring Using Special Tool (11 9 613)

Courtesy of BMW OF NORTH AMERICA, INC.

Screw the special tool 11 9 612 in up to the engine block.

Fig 5: Identifying Special Tool (11 9 612)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.