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11 14 151 Replacing crankshaft radial seal (N14)

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

Necessary preliminary tasks: 

Brake off PTFE ring (2) with a drift (1).

IMPORTANT: Risk of damage to crankcase and to crankshaft!
Fig 1: Breaking PTFE Ring Using Drift
G04796184Courtesy of BMW OF NORTH AMERICA, INC.

Secure special tool 11 9 611 with supplied screws (1) to crankshaft.

Fig 2: Securing Special Tool (11 9 611) With Screws
G04796185Courtesy of BMW OF NORTH AMERICA, INC.

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

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

Fig 3: Pushing PTFE Ring
G04796186Courtesy of BMW OF NORTH AMERICA, INC.

Attach special tool 11 9 612.

Draw in PTFE ring with special tool 11 9 613.

Fig 4: Installing PTFE Ring Using Special Tool (11 9 613)
G04796187Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 5: Installing Special Tool (11 9 612)
G04796188Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.