Completely installing the prop shaft (plug-in - rear flexible disc)

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NOTE: RISK OF DAMAGE
Damage to the prop shaft during installation.
Non-observance of the installation guidelines for the prop shaft on the rear axle differential may cause severe damage.

Always replace the recessed nut on the rear axle differential. Screw lock must be available.
Strictly observe a minimum hardening time of three hours after having screwed
in the recessed nut. The hardening time may be longer at lower temperatures.

Observe following installation sequence:
- Position prop shaft on transmission.
- Position the prop shaft at the rear axle differential.
- Position central mount.
Observe the following screwing sequence:
- recessed nut
- Flexible disc to transmission
- Central mount
NOTE: TECHNICAL INFORMATION
For all-wheel drive vehicles from the 5 Series and 7 Series, the aluminum flexible discs have been eliminated and replaced with elastic flexible discs made of rubber as of production date 09/2015.
Check the centering (1) for damage and replace if necessary.

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Check the centering (arrow) for damage and replace if necessary.

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Apply a thin coat of grease to the soft centering (1), if necessary.
CONSUMABLE DESCRIPTION

Lubricating grease Olistamoly2LN584LO 100 g, Tube 83 19 0 447 919
Do not grease the hard centering (2).

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Clean the recessed collar (1) of the twelve-edge flange nut and the gearing on the bevel drive pinion (2) of all residues and degrease.
Top up the collar insert (1) with grease.
CONSUMABLE DESCRIPTION

Lubricating grease Optitemp HT 1 LF 50 g, Tube 83230417754

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Use thread file (1) to remove any adhesive residue on the thread.
The thread pitch must be correct!

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NOTE:
RISK OF DAMAGE
Damage to the output flange.
Failure to observe the greasing specifications may lead to damage on the output flange.
- Do not contaminate the thread of the output flange with grease.
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Use the thread file to clean adhesive residue from the thread (1) of the flange.
Clean gearing (2).
Grease gearing (2).
CONSUMABLE DESCRIPTION

Lubricating grease Optitemp HT 1 LF 50 g, Tube 83230417754
Replace the seal, recessed nut (1) and retaining ring (2).
Parts: Seal, recessed nut, retaining ring
Insert the recessed nut (1) with the seal Into the recessed collar of the twelve-edge flange nut.
Mount retaining ring (2).

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Assemble three-hole flange (3) again In the same position with flexible disc (2) to prevent a humming noise In the drivetrain after reinstalling the prop shaft.
Replace ZNS screws and self-locking nuts (1).
Parts: ZNS screws, self-locking nuts

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Position the screws and nuts (arrows).

Tighten the screws.

TIGHTENING TORQUE SPECIFICATION

Front flexible disc to prop shaft
M12 Replace screws. Joining torque and angle rotation must be adhered to. Tightening via screw.	Joining torque 55 Nm
	Angle to rotation 90dg

Push the prop shaft (1) In arrow direction against the recessed nut (2) up to the stop.
Unscrew the recessed nut (2) by at least 2 threads manually on the prop shaft (1) and fasten It.

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Central mount with the TOP designation:
Central mount (1) must be Installed with the designation TOP at the top in the transmission tunnel.

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Position central mount.
Position screws (1).

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Prop shafts with a narrow universal joint:
With a special tool 2 464 898 and a suitable tool (2), secure the prop shaft (1) on the center universal joint from twisting.

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Prop shafts with a wide universal joint:
Secure the juncture shaft against twisting at the central universal joint using a suitable tool (1).

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NOTE:
RISK OF DAMAGE
Damage to the flange nut .
Failure to observe the installation specifications may lead to serious damage to the flange nut and the rear axle differential .
- Do not use the twelve-edge flange nut as counter support.
- Screw in the recessed nut within 5
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Screw in the recessed nut counter-clockwise, see arrow direction with special tools 0 495 554 (33 5 070) and 0 496 959 (33 0 080).

The recessed nut must be screwed into place within 5 min.

TIGHTENING TORQUE SPECIFICATION

Propeller shaft to rear axle differential
recessed nut Replace recessed nut.	tightening torque 100 Nm

After the propeller shaft is installed and the recessed nut is screwed in, strictly observe a hardening time of minimum 3 hours.
During this time the vehicle must not be moved or pushed!

Hold down mounting bolts of the flexible disc on the nut and tighten via the screw.

TIGHTENING TORQUE SPECIFICATION

Rear flexible disc to three-hole flange
M12 Replace screws. Joining torque and angle of rotation must be observed without fail. Tightening via screw.	Joining torque 55 Nm Angle of rotation 90°

Secure the special tool angle of rotation 0 490 504 (00 9 120) with the magnet 0 495 108 (00 9 130) to the vehicle underbody and continue to screw It on as per the angle of rotation.

Tighten down screws (1).

TIGHTENING TORQUE SPECIFICATION

Central mount to body
M8	Tightening torque 19 Nm

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