Replacing front 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.

WARNING: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

WARNING: Hot fluids .
Risk of scalding!

Conduct all work in the vehicle wearing appropriate personal protective equipment only.

NOTE: TECHNICAL INFORMATION
Collect and dispose of emerging fluids. Observe country-specific waste disposal regulations.

Preliminary work

Refer to SUCTION THE AIR CONDITIONING .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS . .
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 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 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 DRIVE BELT FOR ALTERNATOR .
Refer to REMOVING THE ALTERNATOR .
Refer to REMOVING THE AIR CONDITIONING COMPRESSOR .
Refer to REMOVING THE COMPONENT CARRIER .
Refer to REMOVING STARTER MOTOR .
Refer to REMOVING THE VIBRATION DAMPER .

Removing the front crankshaft seal

Drive in the crankshaft seal (1) in the marked area with a punch to approx. 1 cm deep.

Courtesy of BMW OF NORTH AMERICA, INC.
Lever out the crankshaft sealing ring (1) with the special tool 2 298 505 .
Make sure that the sealing surface on the crankcase is not scratched.

Courtesy of BMW OF NORTH AMERICA, INC.

Installing the front crankshaft seal

Prepare special tool 0 496 130 (11 8 803) .

Courtesy of BMW OF NORTH AMERICA, INC.
Clean the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) and coat it with motor oil.
Secure special tool 0 496 128 (11 8 801) to the crankshaft using special tool 0 496 129 (11 8 802) from the set of special tools 0 496 127 (11 8 800) .

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: RISK OF DAMAGE
Radial shaft seal damage .
Taping the sealing lip (inner) and applying oil to the radial shaft seal will lead to its destruction .

Do not tap the sealing lip (inner) of the radial shaft seal.
Do not apply oil to the radial shaft seal.
Install the radial shaft seal dry.

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully slide the crankshaft sealing ring (1) straight in a rotational movement onto the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) until the crankshaft sealing ring (1) is positioned flush against the crankcase.
Mount the special tool 0 496 130 (11 8 803) on special tool 0 496 128 (11 8 801) of the set of special tools 0 496 127 (11 8 800) in arrow direction.

Courtesy of BMW OF NORTH AMERICA, INC.
Screw in the special tool (sleeve) 0 496 130 (11 8 803) using the special tool 0 496 131 (11 8 804) from the set of special tools 0 496 127 (11 8 800) and a suitable tool until the sleeve is positioned flush against the crankcase (1).

Courtesy of BMW OF NORTH AMERICA, INC.
Release the special tool 0 496 131 (11 8 804) and remove .

Courtesy of BMW OF NORTH AMERICA, INC.
Feed out and remove the special tool 0 496 130 (11 8 803) on the special tool 0 496 128 (11 8 801) of the set of special tools 0 496 127 (11 8 800) in arrow direction .

Courtesy of BMW OF NORTH AMERICA, INC.
Release the special tool 0 496 129 (11 8 802) .
Feed out and remove the special tool 0 496 128 (11 8 801) 0 496 129 (11 8 802) on the crankshaft.

Courtesy of BMW OF NORTH AMERICA, INC.
Check the crankshaft sealing ring (1) for correct installation on the crankcase (2).

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE VIBRATION DAMPER .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING THE COMPONENT CARRIER .
Refer to INSTALLING AIR CONDITIONING COMPRESSOR .
Refer to INSTALLING ALTERNATOR .
Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
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 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 EVACUATE AND CHARGE CONDITIONING .
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 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 .