31 60 004 Removing and installing/replacing right output shaft

IMPORTANT: Manual gearbox only: After each removal of the output shaft, the radial shaft seal in the transmission must be replaced. See 23 11 201 REPLACING RADIAL SHAFT SEAL ON LEFT OF DIFFERENTIAL (GS6-53BG/DG/55BG)

Remove FRONT WHEEL .

Manual gearbox only: Drain and catch transmission oil. See 00 11 229 OIL CHANGE IN MANUAL GEARBOX .

IMPORTANT: Expand anti-twist lock sufficiently to avoid damaging thread when releasing collar nut.

Fig 1: Identifying Collar Nut On Flattened Area

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Unfasten collar nut (1). For this purpose, press the brake pedal.

Installation note: Replace collar nut.

IMPORTANT: Avoid damaging the anti-roll bar link.

Remove anti-roll bar link on anti-roll bar on right.
Remove track rod end from swivel bearing on right. See 32 21 151 REPLACING LEFT OR RIGHT TRACK ROD END .
Remove wheel control joint from swivel bearing on right.

Use special tools (see BMW Workshop Catalogue).

Hydraulic unit - BMW part number 81 64 2 155 744
Adapter kit 1 - BMW part number 81 64 2 155 745
Adapter kit 2 - BMW part number 81 64 2 155 746

The following operations describe the way in which the output shaft is pressed out of the drive flange:

The following tools are required to press out the output shaft from the drive flange:

Necessary components:

1	Hydraulic unit
E3	Washer M24
F3	Spindle M24 (length 270 mm)
B2	Adapter
K2	Screws M14 x 1.5

Fig 2: Identifying Necessary Components

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Secure output shaft against falling out.

Press out output shaft with hydraulic unit.

Press swivel bearing (1) outwards.

Pull out output shaft (2).

Fig 3: Removing Output Shaft

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Unfasten screws (2).

Tightening torque: 38 Nm

IMPORTANT: The radial shaft seal must be replaced in the transmission each time the output shaft (1) is removed!

Lever output shaft (1) out of transmission and remove.

Fig 4: Removing Output Shaft

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IMPORTANT: Different types of output shafts fitted!
Do not mix up snap rings.

M - Manual transmission

A - Automatic transmission

Fig 5: Identifying Output Shaft Fitting Dimension On Manual And Automatic Transmission

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Installation note:

Replace circlip.

Fig 6: Locating Circlip

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Installation note:

Insert assembly guard (1) into shaft seal.

Assembly guard (1) is provided with new shaft seal for output shaft.

Make sure the tool fits over the shaft seal lip so that the sealing ring is not damaged when the output shaft is inserted.

Fig 7: Identifying Guard

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Installation note:

With automatic transmission only: Replace O-ring (1).

Fig 8: Identifying O-Ring

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Installation note:

Insert output shaft (1) into gearbox.

Manual gearbox only: Before sealing surface is pushed into radial shaft seal, remove assembly guard (2) by pulling on handle.

Before sealing surface is pushed into shaft seal, remove assembly guard (2) by pulling on handle.

Slide output shaft into gearbox up to stop.

The output shaft must snap audibly into place. Check secure seating by levering.

Fig 9: Identifying Output Shaft And Guard

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The following work steps describe drawing in the output shaft:

The following tools are required to press out the output shaft from the drive flange.

Necessary components:

1	Hydraulic unit
E3	Holding sleeve M24
D1	Washer
F2	Spindle M24 / M20 (length 335 mm)
G4	Adapter M22 x 1.5 to M20

Fig 10: Identifying Necessary Components

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Draw in output shaft with hydraulic unit.

Tighten new collar nut (1).

For this purpose, press the brake pedal.

Tightening torque: 182 Nm

Installation note:

Replace collar nut, oil collar nut/wheel bearing contact surface only and tighten down.

No oil permitted on thread of shaft journal or collar nut.

Secure collar nut on flattened area (2) of output shaft by positive caulking.

Fig 11: Identifying Collar Nut

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After installation:

Manual gearbox only: Add TRANSMISSION OIL .
NOTE: The vehicle must be level when the transmission oil is filled.
Check gearbox for leaks