26 11 000 Removing and installing complete propeller shaft

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Remove complete exhaust system. See 18 00 020 REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M54)

Remove heat shields. REMOVAL

Unclip cable on cross-member (1).

Support transmission with hydraulic lifter.

Unfasten screws.

Tightening torque. Refer to PROPELLER SHAFT - TIGHTENING TORQUES .

Remove cross-member (1)

Fig 1: Removing Cross-Member

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Unfasten screws.

Installation:

Replace self-locking nuts.

Only tighten screw connection by way of nut.

IMPORTANT: Only M57:

The screw without washer may only be tightened by means of the nut.

The screw with rolled-on washer which has ribbed teeth facing the support side must be tightened by means of the screw.

Observe different tightening torques.

Tightening torque. Refer to PROPELLER SHAFT - TIGHTENING TORQUES .

Fig 2: Unfastening Screws

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Unscrew nuts.

Fig 3: Unscrewing Nuts

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

Fig 4: Pressing Constant-Velocity Joint (At Disassembly Grooves) Off Input Flange Using Screwdriver

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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 5: Identifying Joints And Rubber Sleeve On Constant-Velocity Joint

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Brace propeller shaft on center mount and loosen nuts.

Tightening torque. Refer to PROPELLER SHAFT - TIGHTENING TORQUES .

Fig 6: Loosening Nuts Of Propeller Shaft On Center Mount

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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 7: Bending Propeller Shaft Downwards On Center Bearing

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Installation:

Top up grease fill.

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

Fig 8: Pulling Out Constant-Velocity Joint

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apart to drive flange of final drive.

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 PROPELLER SHAFT - TIGHTENING TORQUES .

Installation:

Check centering mount (4).

Replace damaged centering mount.

Grease centering mount.

Fig 9: Checking Centering Mount

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