Removing and Installing Complete Propeller Shaft (Constant-Velocity Joint)

26 11 000 - Removing and installing complete propeller shaft (constant-velocity joint)





Necessary preliminary tasks:
- Remove rear underbody protection.
- Remove complete exhaust system.





Remove heat shields (1) and (2).

Note:
Illustration similar.





Note:
M57/N47/M57T2/N54/N43/N46T only.
- Remove transmission cross-member.





Note:
N43, N46T only

Remove transmission support block.

Tightening torque 23 71 4AZ 23 71 Transmission Mounts.





Release screws.

Installation Note:
ZNS bolts and nuts must be replaced.
Replace self-locking nuts.

Important!
Only M57:
The bolt without washer may only be tightened by means of the nut.
The bolt with rolled-on washer which has ribbed teeth facing the support side must be tightened by means of the bolt.
Observe different tightening torques.
Tightening torque, 26 11 1AZ. Propeller Shaft Complete





Release bolts and replace.





Using a screwdriver, press constant velocity joint off drive flange at disassembly grooves.





Important!
Do not let propeller shaft fall into joints.
Joints and rubber sleeve can be damaged on constant-velocity joint.





Grip propeller shaft at centre bearing and release screws.
Tightening torque, 26 11 6AZ. Propeller Shaft Complete





Bend propeller shaft downwards at centre bearing.
Remove propeller shaft from transmission output flange and detach constant-velocity joint from rear axle differential.





Installation Note:
Withdraw constant-velocity joint (1) up to stop.
Fit shims.
Attach propeller shaft with pulled-apart constant-velocity joint to drive flange of rear differential.

Alternately tighten 2 opposing screws to draw constant-velocity joint evenly into the input flange.

Replace ZNS bolts.
Tightening torque, 26 11 4AZ. Propeller Shaft Complete





Installation Note:
Check centering mount (4).

Replace damaged centering mount. Removing and Installing/Replacing Front Centring Mount for Propeller Shaft

Grease centering mount.
Grease,
Refer to BMW Service Operating Fluids.





Installation:
The aluminium propeller shaft contains a crash element.
Check the crash element before installing the propeller shaft.
Replace the propeller shaft if the crash element has been pushed together.





Propeller shafts: refer to Technical Data. [1][2]Drive/Propeller Shaft