Install prop shaft

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

The right thread pitch must be ensured!

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Courtesy of BMW OF NORTH AMERICA, INC.

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.

Courtesy of BMW OF NORTH AMERICA, INC.
Hand-tighten the bolts (1) .

Courtesy of BMW OF NORTH AMERICA, INC.
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.

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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) .

Courtesy of BMW OF NORTH AMERICA, INC.
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) .

Courtesy of BMW OF NORTH AMERICA, INC.
Tighten down screws (1) .

TIGHTENING TORQUE SPECIFICATIONS

Central mount to body
M8	tightening torque	19 Nm

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

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 .