11 14 151 Replacing crankshaft seal on transmission side (N20, N26)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 BMW 328i xDrive, 2016 BMW 328d xDrive, 2015 BMW 328i xDrive, 2015 BMW 328d xDrive, and 2014 BMW 328i xDrive. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

Necessary preliminary tasks:

Remove FLYWHEEL .

IMPORTANT: Magnet wheel (1) is magnetic.
Keep magnet wheel (1) in a plastic bag away from swarf.

Remove magnet wheel (1) from crankshaft.

Installation note:

Check the fitting sleeve for damage.

Note the installation position of the magnet wheel.

Fig 1: Magnet Wheel

G09844477

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on pulse sensor (1).

Slide PULSE SENSOR (2) upwards.

Fig 2: Screw On Pulse Sensor

G09844478

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Drill size maximum 2, 5 mm.
Remove swarf immediately.

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

Fig 3: Drilling Radial Shaft Seal Hole

G09844479

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Remove swarf from the radial shaft seal (1).

Fig 4: Swarf From Radial Shaft Seal

G09844480

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Risk of damage at the crankcase and on the running surface of the crankshaft.
Immediately carefully remove residual swarf.

Fig 5: Driving Radial Shaft Seal Using Special Tool (23 0 490)

G09844481

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.

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

Fig 6: Radial Shaft Seal And Special Tool (11 8 220)

G06904210

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 On Crankshaft Using Special Tool (11 8 220)

G06904211

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

G06904212

Courtesy of BMW OF NORTH AMERICA, INC.

Fasten special tool 11 9 182 with special tool 11 9 184 on the crankshaft.

Fig 9: Special Tool (11 9 182 With 11 9 184) On Crankshaft

G09844485

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Prepare special tool 11 9 181 for installation.

Connect special tool 2 212 827 onto special tool 11 9 181 .

Fig 10: Connecting Special Tool (2 212 827) Onto Special Tool (11 9 181)

G09919710

Courtesy of BMW OF NORTH AMERICA, INC.

Pull on radial shaft seal with special tools 11 9 181 and 2 212 827 in combination with special tool 11 9 183 .

Fig 11: Pulling Radial Shaft Seal With Special Tools (11 9 181)

G09919711

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 12: Tightening Radial Shaft Seal

G06904216

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.