11 14 151 Replacing radial crankshaft seal on transmission side (N52)

Special tools required:

Necessary preliminary work:

Remove FLYWHEEL .

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

Remove magnet wheel (1) from crankshaft.

Fig 1: Identifying Magnet Wheel On Crankshaft

G09919769

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on pulse sensor (1).

Slide pulse sensor (2) upwards.

Fig 2: Identifying Pulse Sensor And Screw

G09919770

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Drill size maximum 2.5 millimeters.
Remove metallic debris immediately.

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

Fig 3: Drilling Hole In Radial Shaft Seal

G09919771

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Removing Metal Shavings After Drilling

G09919772

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 metallic debris.

Fig 5: Driving Out Radial Shaft Seal With Impact Weight

G09919773

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

G09919774

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 On Crankshaft

G09919775

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: Identifying Radial Shaft Seal Parallel Up Against Crankcase

G09919776

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

G09919777

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: Connecting Special Tool 11 9 185 Onto Special Tool 11 9 181

G09919778

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 11: Pulling On Radial Shaft Seal Using Special Tools

G09919779

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

G09919780

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.