Install prop shaft

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CAUTION: Component with heavy weight .
Injury hazard!

Note component's center of gravity.
Support component using a jack.
Secure component against falling off the jack.

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.

NOTE: RISK OF DAMAGE
Damage to the transfer box .
Non-observance of the removal and installation guidelines may cause severe damage to the transfer box .

Do not use the double hexagon head flange nut as counter support.

Clean any residue on recessed collar (1) of the twelve-edge flange nut and the gearing on bevel drive pinion (2) and degrease it.
Top up the collar insert (1) with grease.

CONSUMABLE DESCRIPTION

Lubricating grease Optitemp HT 1 LF

50 g, Tube

83230417754

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To remove the adhesive residue on the thread, use thread file (1) .

The right thread pitch must be ensured!

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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.

Clean adhesive residue from the thread (1) of the propeller shaft hub.
Clean hub gearing (2) and taper (3) .
It is essential to grease the hub gearing (2) and the taper (3) .

Courtesy of BMW OF NORTH AMERICA, INC.

CONSUMABLE DESCRIPTION

Lubricating grease Optitemp HT 1 LF

50 g, Tube

83230417754

Replace recessed nut (1) .
Parts: recessed nut
Replace the retaining clip (2) and seal.
Parts: Retaining clip, seal
Insert and install the seal with the recessed nut (1) .
Insert and install retaining clip (2) .
Make sure that the recessed nut (1) is screwed on within 5 min.
Make sure that the minimum hardening time of the recessed nut of 3 h is maintained.

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The hardening time must be extended if temperatures are low.
Insert and install the prop shaft (1) .
It is imperative that you support the prop shaft (1) using a standard jack.

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Hand-tighten the bolts (1) .

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Push the prop shaft (2) against the recessed nut (1) up to the stop.
Screw on the prop shaft (2) by at least 2 threads onto the recessed nut (1) manually.

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NOTE: RISK OF DAMAGE
Damage to the transfer box .
Non-observance of the removal and installation guidelines may cause severe damage to the transfer box .

Do not use the double hexagon head flange nut as counter support.

Courtesy of BMW OF NORTH AMERICA, INC.

Hold down recessed nut (2) on the transfer box using special tools 0 495 554 (33 5 070) and 0 496 959 (33 >0 080) .
The recessed nut (2) on the transfer box must not be used for tightening the prop shaft.
Tighten the prop shaft at the central mount using the special tools 0 495 554 (33 5 070) and 0 496 959 (33 0 080) in the arrow direction .

TIGHTENING TORQUE SPECIFICATIONS

Prop shaft on transfer box
	tightening torque	80 Nm

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Install the prop shaft and slide in the arrow direction.
Replace the bolts (arrows).
Parts: Screws
Place and tighten the screws (arrows).

TIGHTENING TORQUE SPECIFICATIONS

Flexible disc to rear axle final drive
M12x1.5 Replace screws.	Tightening torque	55 Nm
	Angle of rotation	90°

Hand-tighten the bolts (1) .

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Hold down the prop shaft (1) at the central mount using the special tools 0 495 554 (33 5 070) and 0 496 959 (33 0 080) .

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Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Central mount to body
M8	tightening torque	19 Nm

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Feed out and remove special tool 2 407 851 between the front and rear prop shaft.

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NOTE: The following step(s) must be performed if the listed component(s) is/are installed.

Guide the intake filter housing (5) into the rubber mount and install it.
Intake filter housing (5) must engage audibly.
Tighten down screw (2) .

TIGHTENING TORQUE SPECIFICATIONS

Intake silencer housing to lock bridge
M6X30	tightening torque	8 Nm

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Tighten clamp (4) .

TIGHTENING TORQUE SPECIFICATIONS

Clean air pipe to intake silencer housing
cl.	tightening torque	3 Nm

Connect and lock the connector (3) .
The connector (3) must engage audibly.
Insert and install the holder (1) .

NOTE: The following step(s) must be performed if the listed component(s) is/are installed.

Thread in and install intake manifold (3) .
The lock (2) must engage audibly.
Tighten nuts (1) .

TIGHTENING TORQUE SPECIFICATIONS

Intake manifold to cross connection
M6	tightening torque	8 Nm

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Follow-up work

Refer to INSTALLING THE REAR HEAT SHIELD .
Refer to INSTALLING FRONT HEAT SHIELD .
Refer to INSTALLING EXHAUST SYSTEM .
Refer to INSTALLING THE CROSS-MEMBER WITH TORSION STRUTS .
Refer to INSTALLING THE CONNECTING SUPPORT ON THE TUNNEL AT FRONT AND REAR .
Refer to INSTALLING UNDERBODY PROTECTION AT REAR .