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Home >> BMW >> 2011 >> Z4 35is >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Propeller Shaft - Repair (N52)) >> 2611 Propeller Shaft Assembly >> 26 11 000 Removing and installing propeller shaft (inserted) completely

26 11 000 Removing and installing propeller shaft (inserted) completely

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Replacement of the sunk nut on the rear axle final drive is absolutely required!
The sunk nut already has a screw locking.
After the propeller shaft has been screwed into the rear axle final drive (sunk nut), a minimum hardening time of 2 hours  must be complied with.
The hardening time may be extended at lower temperatures!
Failure to comply with these instructions may cause serious damage!

Necessary preliminary work: 

IMPORTANT: To avoid buzzing sound after refitting the propeller shaft:
  1. The flexible disc connection (1) on the front at the propeller shaft must be marked in one plane with the flexible disc (2) and the three-bolt flange (3) before removal.
  2. During installation the three-bolt flange (3) must be forced back together again with the flexible disc (2) in the same position.
  3. Replace ZNS bolts and self-locking nuts.
Fig 1: Refitting Propeller Shaft
G00524370Courtesy of BMW OF NORTH AMERICA, INC.

Release screws.

Installation note: 

Fig 2: Locating ZNS Bolts And Self-Locking Nuts
G04751856Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Check centering mount.

If necessary, replace damaged CENTERING  .

Grease centering mount.

Fig 3: Locating Centering Mount
G04748993Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Tighten down screws/bolts to specified torque.

Secure angle of rotation with special tool 00 9 120 with magnets 00 9 130 to vehicle underbody and screw down further according to angle of rotation.

Tightening torque 26 11 1AZ .

Fig 4: Securing Angle Of Rotation Using Special Tool (00 9 120) With Magnets (009130 Magnet) To Vehicle Underbody
G04751857Courtesy of BMW OF NORTH AMERICA, INC.

Slacken screws (1)

Tightening torque 26 11 6AZ .

Using a suitable tool (2), secure propeller shaft at center universal joint against turning.

Remove screws of center mount fully only after opening insert nut.

Fig 5: Securing Propeller Shaft Using Suitable Tool
G06905021Courtesy of BMW OF NORTH AMERICA, INC.

Release insert nut against direction of travel in clockwise direction  with special tool 33 0 080 and 33 5 070.

Tightening torque 26 11 1AZ .

IMPORTANT: The bi-hexagonal flange nut must not be used for bracing.

Failure to comply with this instruction may result in serious damage to the rear axle final drive.

Fig 6: Release Insert Nut Against Direction Of Travel In Clockwise Direction
G00528967Courtesy of BMW OF NORTH AMERICA, INC.

Remove retaining clip (1) and gasket (2).

Installation note: 

Retaining clip and gasket must be replaced.

Fig 7: Identifying Clip And Gasket
G04794213Courtesy of BMW OF NORTH AMERICA, INC.

Remove insert nut (1).

Installation note: 

Insert nut must be replaced.

Fig 8: Identifying Propeller Shaft Nut
G04794214Courtesy of BMW OF NORTH AMERICA, INC.

Before installing propeller shaft:

Clean insert collar (1) on flange nut and gearing on bevel pinion (2).

Fill insert collar (1) with grease.

Grease: see PROPELLER SHAFT - OPERATING FLUIDS .

Fig 9: Identifying Collar And Bevel Pinion
G06908112Courtesy of BMW OF NORTH AMERICA, INC.

Clean thread (1) of joint hub to remove adhesive residues.

Clean hub teeth (2), then coat with grease.

Grease: see PROPELLER SHAFT - OPERATING FLUIDS .

IMPORTANT: Thread of joint hub must not  be fouled with grease.
Fig 10: Identifying Joint Hub Thread And Hub Teeth
G04794216Courtesy of BMW OF NORTH AMERICA, INC.

Place flange nut (1) with gasket in insert collar of flange nut.

Install retaining clip (2).

Fig 11: Identifying Flange Nut And Retaining Clip
G04794217Courtesy of BMW OF NORTH AMERICA, INC.
IMPORTANT: Adhere without fail to installation and screw-fastening sequence.

Installation sequence:

  1. Join propeller shaft to transmission
  2. Join propeller shaft to rear axle final drive
  3. Join center mount

Screw-fastening sequence:

  1. Insert nut
  2. Flexible disc to transmission
  3. Centre mount

Slide propeller shaft (1) to the limit position onto insert nut and secure.

Secure propeller shaft at center universal joint against turning with a mounting lever.

IMPORTANT: The bi-hexagonal flange nut (2) must not be used for bracing.

Failure to comply with this instruction may result in serious damage to the rear axle final drive.

Insert nut must be screwed into place within 5 minutes. 

Tightening torque 26 11 1AZ .

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