Replacing the front crankshaft seal

WARNING: Hot surfaces .
Risk of burning!

Perform all work only on components that have cooled down.

Preliminary work

Refer to DISCONNECTING ALL BATTERY GROUND LEADS .
Refer to REMOVING THE FRONT UNDERBODY PROTECTION .
Refer to REMOVING REAR UNDERBODY PROTECTION .
Refer to REMOVING STARTER MOTOR .
Refer to REMOVING THE INTAKE FILTER HOUSING .
Refer to REMOVING CLEAN AIR PIPE .
Refer to REMOVING FAN COWL .
Refer to REMOVING THE DRIVE BELT FOR ALTERNATOR .
Refer to REMOVING THE VIBRATION DAMPER .

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.

NOTE: RISK OF DAMAGE
Careless handling of tools and sharp edged components .
Scratches, surface damage .

Protect working area.
Handle tools and components carefully.

Courtesy of BMW OF NORTH AMERICA, INC.

Carefully lever out and remove the crankshaft seal (1) with the special tool 2 298 505 .
Clean sealing surface (1).

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.
Position the special tool 0 496 128 (11 8 801) from the set of special tools 0 496 127 (11 8 800) on the crankshaft and screw in.

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.

Replace crankshaft seal (1).
Parts: Crankshaft seal
Slide the crankshaft sealing ring (1) carefully and 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 is flush with the crankcase.
Position the special tool 0 496 130 (11 8 803) from the set of special tools 0 496 127 (11 8 800) and screw it hand-tight using the nut.
Ensure that the crankshaft seal shifts in evenly.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work

Refer to INSTALLING THE VIBRATION DAMPER .
Refer to INSTALLING THE DRIVE BELT FOR ALTERNATOR .
Refer to INSTALLING FAN COWL .
Refer to INSTALLING CLEAN AIR PIPE .
Refer to INSTALLING INTAKE SILENCER HOUSING .
Refer to INSTALLING STARTER MOTOR .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .
Refer to INSTALLING THE FRONT UNDERBODY PROTECTION .
Refer to CONNECTING ALL BATTERY GROUND LEADS .