Replacing the rear crankshaft seal

WARNING: Working on 12 V electrical system .
Risk of short circuits! Risk of fire!

Make sure that there is no charger connected to the jump start terminal in the engine compartment.
Detach battery ground lead from battery.
For auxiliary batteries: Detach battery minus cables from all auxiliary batteries.

CAUTION: Heavy component .
Heavy components can lead to injury or damage .

Remove and install heavy components with the aid of another person/other persons.

NOTE: RISK OF DAMAGE
Damage to battery terminal, the safety battery terminal or the intelligent battery sensor (IBS) .
Damaged battery terminals can lead to malfunctions or vehicle electrical system faults .

Detach battery terminal from battery pole by carefully shifting to and fro. Do not pry off using a tool.

Preliminary work

Refer to BRINGING FRONT COMPARTMENT LID IN THE SERVICE POSITION .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS . .
Refer to REMOVING THE SEAL FOR THE HOOD REAR .
Refer to REMOVING SUSPENSION STRUT BRACE .
Refer to REMOVING THE ACOUSTIC COVER .
Refer to REMOVING THE FRONT-END STRUT .
Refer to REMOVING THE LEFT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to REMOVING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to PARTIALLY REMOVING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to REMOVING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
Refer to REMOVING SEAL FOR FRONT HOOD .
Refer to REMOVING THE COVER FOR THE CENTER ENGINE COMPARTMENT .
Refer to REMOVING UPPER CROSS CONNECTION .
Refer to REMOVING THE REAR TOP CROSS CONNECTION .
Refer to REMOVING THE FRONT SPOILER .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING THE LEFT AND RIGHT FRONT UNDERSHIELD .
Refer to REMOVING THRUST FIELD .
Refer to REMOVING THE RIGHT HAND FRONT BOTTOM SIDE COVER .
Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVING EXHAUST SYSTEM .
Refer to REMOVING INTERMEDIATE PIPE .
Refer to DRAINING THE COOLANT FOR THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to CONNECTING THE COOLANT LINE TO THE RADIATOR .
Refer to REMOVING THE FAN COWL .
Refer to REMOVING THE CHARGE AIR DUCT FOR CYLINDERS 1-3 .
Refer to REMOVING THE CHARGE AIR DUCT FOR CYLINDERS 4-6 .
Refer to REMOVING THE CHARGE AIR CROSSING .
Refer to REMOVING THE OXYGEN SENSOR MONITOR FOR THE CYLINDERS 4 TO 6 .
Refer to REMOVING STARTER MOTOR .
Refer to REMOVING TRANSMISSION CROSS-MEMBER .
Refer to REMOVING THE TANK COVER .
Refer to REMOVING THE LEFT THRUST FIELD .
Refer to REMOVING FRONT HEAT SHIELD .
Refer to REMOVING THE REAR HEAT SHIELD .
Refer to PARTIALLY LOOSENING THE PROP SHAFT .
Refer to DISCONNECTING HYDRAULIC LINES ON THE TRANSMISSION .
Refer to REMOVING AUTOMATIC TRANSMISSION (GA8HP76Z) .
Refer to REMOVING FLYWHEEL .

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.

Replace crankshaft seal.
Parts: Crankshaft seal

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

Refer to INSTALLING THE FLYWHEEL .
Refer to INSTALLING THE AUTOMATIC TRANSMISSION (GA8HP76Z) .
Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
Refer to INSTALLING TRANSMISSION CROSS MEMBER .
Refer to SECURING THE HYDRAULIC LINES TO THE TRANSMISSION .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING THE REAR HEAT SHIELD .
Refer to INSTALLING FRONT HEAT SHIELD .
Refer to INSTALLING THE LEFT THRUST FIELD .
Refer to INSTALLING TANK COVER .
Refer to INSTALLING THE INTERMEDIATE PIPE .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
Refer to INSTALLING THE OXYGEN SENSOR MONITOR FOR CYLINDERS 4 TO 6 .
Refer to INSTALLING THE CHARGE AIR LINE .
Refer to INSTALLING THE CHARGE AIR DUCT FOR CYLINDERS 4-6 .
Refer to INSTALLING THE CHARGE AIR DUCT FOR 1-3 CYLINDERS .
Refer to INSTALLING FAN COWL .
Refer to PARTIALLY INSTALLING THE COOLANT EXPANSION TANK OF THE HIGH-TEMPERATURE COOLANT CIRCUIT .
Refer to INSTALLING THE RIGHT INTAKE FILTER HOUSING (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE INTAKE FILTER HOUSING ON THE LEFT (FRONT-END STRUT REMOVED) .
Refer to INSTALLING THE REAR TOP CROSS CONNECTION .
Refer to INSTALLING UPPER CROSS CONNECTION .
Refer to INSTALLING THE CENTER ENGINE COMPARTMENT COVER .
Refer to INSTALLING THE FRONT HOOD SEAL .
Refer to INSTALLING THE CLEAN AIR PIPE FOR CYLINDERS 1 TO 3 .
Refer to INSTALLING THE FRONT-END STRUT .
Refer to INSTALLING ACOUSTIC COVER .
Refer to INSTALLING THE STRUT BRACE .
Refer to FILLING THE HIGH-TEMPERATURE COOLING SYSTEM WITH THE VACUUM FILLING EQUIPMENT .
Refer to CONNECTING ALL BATTERY GROUND LEADS .
Refer to VENTING THE HIGH-TEMPERATURE COOLANT SYSTEM .
Refer to CHECKING ENGINE OIL LEVEL .
Refer to CHECKING/TOPPING UP THE OIL LEVEL IN THE AUTOMATIC TRANSMISSION .
Refer to INSTALLING THE BOTTOM FRONT RIGHT SIDE COVER .
Refer to INSTALLING THE STIFFENING PLATE .
Refer to INSTALLING THE LEFT AND RIGHT FRONT UNDERSHIELD .
Refer to INSTALLING FRONT UNDERBODY PROTECTION .
Refer to INSTALLING THE FRONT SPOILER .
Refer to INSTALLING THE REAR HOOD SEAL .
Refer to TAKING HOOD OUT OF THE SERVICE POSITION .