Replacing the rear crankshaft seal

Preliminary work

Removing the rear crankshaft seal

Provide a vacuum cleaner.
Drill a hole into the crankshaft seal using a 2.5 mm drill (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Immediately remove the shavings from the crankshaft seal (1) carefully using a vacuum cleaner.

Courtesy of BMW OF NORTH AMERICA, INC.
Screw in the special tool 0 491 454 (23 0 490) into the crankshaft seal.
Drive out the crankshaft seal using the special tool 0 491 454 (23 0 490) .

Courtesy of BMW OF NORTH AMERICA, INC.

Installing the rear crankshaft seal

NOTE: TECHNICAL INFORMATION
The radial shaft seal must be installed dry. Do not use motor oil or lubricant.

Install special tool 0 496 137 (11 8 815) on the crankshaft.
Pull off crankshaft sealing ring (1) in the arrow direction using special tool 0 496 137 (11 8 815) so that crankshaft sealing ring (1) rests all around the timing case cover.

Courtesy of BMW OF NORTH AMERICA, INC.
Guide the special tool 0 496 137 (11 8 815) out and remove.
Secure special tool 0 494 029 (11 9 182) to the crankshaft using special tool 0 494 031 (11 9 184) .

Courtesy of BMW OF NORTH AMERICA, INC.
Connect special tool 2 360 215 to special tool 0 494 028 (11 9 181) in the arrow direction .

Courtesy of BMW OF NORTH AMERICA, INC.
Position special tools 0 494 028 (11 9 181) and 2 360 215 and bring into contact with the crankshaft seal in connection with special tool 0 494 030 (11 9 183) .
Check the freedom of movement between the special tool 2 360 215 and the crankshaft sensor during installation.
Screw in the crankshaft sealing ring up to the stop of the timing case cover using special tool 2 360 215 .

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work