11 14 151 Replacing rear crankshaft seal (N47D20 K/U/O/T 1)

Special tools required:

Necessary preliminary tasks:

DRAIN ENGINE OIL .
REMOVE FLYWHEEL .
Remove radial shaft seal with a suitable tool.

IMPORTANT: The radial shaft seal must be installed dry.
Do not use engine oil or lubricant.

Position special tool 11 8 815 on crankshaft.

Fig 1: Identifying Special Tool (11 8 815)

G09919818

Courtesy of BMW OF NORTH AMERICA, INC.

Use special tool 11 8 815 to fit the radial shaft seal (1) in the direction of the arrow just up to gear case cover and position.

Remove special tool 11 8 815 .

Fig 2: Installing Radial Shaft Seal Using Special Tool (11 8 815)

G09919636

Courtesy of BMW OF NORTH AMERICA, INC.

Fasten special tool 11 8 811 with special tool 11 8 812 on the crankshaft.

Position radial shaft seal (1).

Fig 3: Positioning Radial Shaft Seal

G09919820

Courtesy of BMW OF NORTH AMERICA, INC.

Slide on special tool 11 8 813 .

Screw down special tool 11 8 314.

Fig 4: Identifying Special Tool (11 8 813 And 11 8 314)

G09919821

Courtesy of BMW OF NORTH AMERICA, INC.

Press in radial shaft seal with special tool 11 8 813 .

Screw in special tool 11 8 813 up to gear case cover.

Fig 5: Pressing Radial Shaft Seal With Special Tool (11 8 813)

G09919822

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools 11 8 810 .

Assemble engine.

Check engine for leak tightness.