11 14 151 Replacing radial crankshaft seal on transmission side (N55)

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

Special tools required:

Necessary preliminary work:

Remove TRANSMISSION .
Remove FLYWHEEL .

IMPORTANT: Magnet wheel (1) is magnetic.
Keep magnet wheel (1) in a plastic bag away from debris.

Remove magnet wheel (1) from crankshaft.

Fig 1: Identifying Magnet Wheel

G10056087

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) on pulse sensor.

Slide PULSE SENSOR (2) upwards.

Fig 2: Identifying Screw On Pulse Sensor

G10056088

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Drill size maximum 2, 5 mm.
Remove debris immediately.

Drill a hole with a drill (1) in the radial shaft seal (see arrow).

Fig 3: Drilling Hole In Radial Shaft Seal

G10056089

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Immediately carefully remove debris on the radial shaft seal (1).

Fig 4: Identifying Radial Shaft Seal With Drilled Hole

G10056090

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 23 0 490 in direction of arrow.

Drive out radial shaft seal with impact weight in direction of arrow.

IMPORTANT: Immediately carefully remove residual debris.

Fig 5: Removing Radial Shaft Seal

G10056091

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare radial shaft seal (1) on special tool 11 8 220 .

Fig 6: Identifying Radial Shaft Seal On Special Tool (11 8 220)

G10056092

Courtesy of BMW OF NORTH AMERICA, INC.

Position the radial shaft seal (1) with special tool 11 8 220 on the crankshaft.

Fig 7: Positioning Radial Shaft Seal

G10056093

Courtesy of BMW OF NORTH AMERICA, INC.

Brush radial shaft seal (1) over the special tool 11 8 220 .

Move radial shaft seal (1) parallel up against the crankcase.

Fig 8: Moving Radial Shaft Seal Parallel Up Against Crankcase

G10056094

Courtesy of BMW OF NORTH AMERICA, INC.

Fasten special tool 11 9 182 with special tool 11 9 184 on the crankshaft.

Fig 9: Fastening Special Tools On Crankshaft

G10056095

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Prepare special tool 11 9 181 for installation.

Connect special tool 11 9 185 onto special tool 11 9 181 .

Fig 10: Preparing/Connecting Special Tools

G10056096

Courtesy of BMW OF NORTH AMERICA, INC.

Push on radial shaft seal with special tool 11 9 181 and 11 9 185 in combination with special tool 11 9 183 .

Fig 11: Installing Radial Shaft Seal

G10056097

Courtesy of BMW OF NORTH AMERICA, INC.

Screw on radial shaft seal with special tool 11 9 183 to limit position.

Fig 12: Screwing-On Radial Shaft Seal To Limit Position

G10056098

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.