26 11 052 Replacing flexible disc for rear propeller shaft

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove EXHAUST SYSTEM .

NOTE: To protect universal joints, tie back propeller shaft in area of center mount.

IMPORTANT: Before removing propeller shaft:
The three-hole flange to the rear axle final drive is balanced with the propeller shaft.
The three-hole flange and propeller shaft must be reassembled in the same position.
Mark three-hole flange (1), flexible disc (2) and propeller shaft (3) in one plane.

Fig 1: Identifying Three-Hole Flange, Flexible Disc And Propeller Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

Release propeller shaft from thee-hole flange and center mount.

Installation note:

Replace ZNS bolts and self-locking nuts.

Tightening torque: 26 11 3/5AZ .

Release screws and remove flexible disc (1) from propeller shaft.

Tightening torque and angle of rotation 26 11 4AZ .

IMPORTANT: Replace ZNS bolts and self-locking nuts.

Installation note:

During installation arrows (2) on circumference of flexible disc must point to flange arms (3).

Fig 2: Locating Flexible Disc Mounting Nuts
Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Check centering mount.

Replace damaged CENTERING MOUNT .

IMPORTANT: Plastic centering mount must not be greased.

Fig 3: Locating Centering Bearing

Courtesy of BMW OF NORTH AMERICA, INC.