11 14 151 Replacing radial crankshaft seal on transmission side (N54N54T) from 01.01.09

Necessary preliminary tasks:

Remove FLYWHEEL

IMPORTANT:

Magnet wheel (1) is magnetic.

Keep magnet wheel (1) in a plastic bag away from metallic debris.

Remove magnet wheel (1) from crankshaft.

Fig 1: Identifying Magnet Wheel

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on pulse sensor (1).

Slide PULSE SENSOR (2) upwards.

Fig 2: Identifying Pulse Sensor And Screw

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT:

Drill size maximum 2.5 millimeters.

Remove shavings immediately.

Drill a hole with a drill (1) in the radial shaft seal (see arrow).

Fig 3: Drilling Hole In Radial Shaft Seal Using Drill

Courtesy of BMW OF NORTH AMERICA, INC.

Immediately carefully remove shavings on the radial shaft seal (1).

Fig 4: Identifying Radial Shaft Seal

Courtesy of BMW OF NORTH AMERICA, INC.

Screw in special tool 23 0 490 in direction of arrow.

Drive out radial shaft seal with impact weight in direction of arrow.

IMPORTANT: Immediately carefully remove residual shavings.

Fig 5: Screwing In Special Tool 23 0 490 In Clockwise Direction

Courtesy of BMW OF NORTH AMERICA, INC.

Prepare radial shaft seal (1) on special tool 11 8 220.

Fig 6: Identifying Radial Shaft Seal On Special Tool 11 8 220

Courtesy of BMW OF NORTH AMERICA, INC.

Position the radial shaft seal (1) with special tool 11 8 220 on the crankshaft.

Fig 7: Positioning Radial Shaft Seal Using Special Tool 11 8 220 On Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Brush radial shaft seal (1) over the special tool 11 8 220.

Move radial shaft seal (1) parallel up against the crankcase.

Fig 8: Moving Radial Shaft Seal Parallel Up Against Crankcase

Courtesy of BMW OF NORTH AMERICA, INC.

Fasten special tool 11 9 182 (synchronizing key) with special tool 11 9 184 (screw) on the crankshaft.

Fig 9: Fastening Special Tool 11 9 182 With Special Tool 11 9 184 On Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Prepare special tool 11 9 181 (bush) for installation.

Connect special tool 11 9 185 (ring) onto special tool 11 9 181 (bush).

Fig 10: Connecting Special Tool 11 9 185 Onto Special Tool 11 8 181

Courtesy of BMW OF NORTH AMERICA, INC.

Pull on radial shaft seal with special tools 11 9 181 (bush) and 11 9 185 (ring) in combination with special tool 11 9 183 (nut).

Fig 11: Installing Rear Crankshaft Seal Using Tool 119 180/181

Courtesy of BMW OF NORTH AMERICA, INC.

Screw on radial shaft seal with special tool 11 9 183 (nut) to limit position.

Fig 12: Screwing On Radial Shaft Seal Using Special Tool 11 9 183

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.