11 14 151 Replacing crankshaft seal (S65)

Special tools required: 

• 11 5 311 
• 11 5 312 
• 11 5 313 
• 23 0 490 

See ENGINE - SPECIAL TOOLS .

See MANUAL TRANSMISSION - SPECIAL TOOLS .

Necessary preliminary tasks: 

• Remove transmission.  See 23 00 018 REMOVING AND INSTALLING TRANSMISSION (GS6-53BZ) (S65) .
• Remove clutch.  See 21 21 500 REMOVING AND INSTALLING/REPLACING CLUTCH (GS6-53BZ) S65 .
• Remove flywheel  .  .

Drill a 3 mm hole into shaft seal.

Screw in special tool 23 0 490  .

Drive out radial shaft seal with impact weight.

Fig 1: Drilling Hole Into Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Remove remnants of sealant from sealant outlet (1) on left and right.

Apply Drei Bond sealant 1209 to sealant outlet (1) on left and right.

Fig 2: Identifying Sealant Outlet

Courtesy of BMW OF NORTH AMERICA, INC.

Mount special tool 11 5 311  with bolts (1).

Fig 3: Identifying Special Tool (11 5 311) On Bolts

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Position support ring (1) with shaft seal (2) on special tool 11 5 311  .

Push shaft seal (2) uniformly in direction of arrow over support ring onto special tool 11 5 311  .

Fig 4: Pushing Shaft Seal Over Support Ring Onto Special Tool (11 5 311)

Courtesy of BMW OF NORTH AMERICA, INC.

Position shaft seal (1) approx. 5 mm before crankcase.

Remove support ring (2).

Fig 5: Identifying Shaft Seal And Support Ring

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Press in shaft seal (1) with special tools 11 5 312  and 11 5 313  .

Fig 6: Identifying Shaft Seal And Special Tools (11 5 312) And (11 5 313)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.

Settling time of radial shaft seal approx. 1 hour.

Correct engine oil level  if necessary.