26 11 000 Removing and installing complete propeller shaft

Necessary Preliminary Tasks:

Remove exhaust system (M62/M54/M57TU). Refer to 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M62, M54) .
Remove heat shield at rear.

Unfasten screws.

Tightening torque, refer to 26 11 1AZ in PROPELLER SHAFT - TIGHTENING TORQUES - X5 .

Installation:

Replace self-locking nuts.

Fig 1: Removing Propeller Shaft Screws

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Unscrew nuts.

Tightening torque, refer to 26 11 4AZ in PROPELLER SHAFT - TIGHTENING TORQUES - X5 .

Fig 2: Removing Propeller Shaft Nuts

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With a screwdriver, press constant-velocity joint (at the disassembly grooves) off input flange.

Fig 3: Removing Constant-Velocity Joint

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

Fig 4: Sectional View Of Propeller Shaft

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Brace propeller shaft on center mount and loosen nuts.

Tightening torque, (21 N.m).

Fig 5: Removing Propeller Shaft Center Mount Nuts

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Bend propeller shaft downwards on center bearing.

Remove propeller shaft from transmission output flange and remove constant-velocity joint from final drive.

NOTE: Protect constant-velocity joint from dirt with transport cap.

Fig 6: Bending Propeller Shaft Downwards On Center Bearing

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Installation:

Top up grease fill.

Grease: refer to BMW SERVICE OPERATING FLUIDS .

Pull out constant-velocity joint (1) up to stop.

Coat sealing faces of constant-velocity joint and input flange with grease.

Replace seal (2).

Use new nuts.

Attach propeller shaft with constant-velocity joint pulled apart to drive flange of final drive.

Fig 7: Attaching Propeller Shaft With Constant-Velocity Joint

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IMPORTANT: The constant-velocity joint must not be compressed during assembly because the grease fill can force away the sealing ring, leading to leakage from the constant-velocity joint. Alternately tighten 2 opposing nuts to draw constant-velocity joint evenly into the input flange. Then tighten down the remaining nuts.

Tightening torque, refer to 26 11 4AZ in PROPELLER SHAFT - TIGHTENING TORQUES - X5 .

Installation:

Check centering mount (4).

Replace damaged centering mount.

Fig 8: Identifying Centering Mount

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Grease centering mount.

Grease: refer to BMW SERVICE OPERATING FLUIDS .