Removal and installation

WARNING: This page is about a different car, the 2006 BMW X3, 2005 BMW X3, and 2004 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT:

On four-wheel drive vehicles with defective, non-engaging drive, it is imperative that the following information is taken account of:

If the vehicle has been moved under engine power with a non-engaging drive system (e.g. front propeller shaft defective and no longer engaging with the front differential or 1 output shaft no longer engaging with drive flange), it is imperative that the transfer box is calibrated after repairing the propeller shaft/output shaft(s).

After completing repairs, perform calibration using BMW diagnosis and information system and selecting Control unit function > Function check > Transfer box.

Remove COMPLETE EXHAUST SYSTEM . Remove heat shield.
Release ring nut (1) in several turns. Installation note: Tighten ring nut using appropriate wrench. Tightening torque: 26 11 3AZ .

Fig 1: Identifying Threaded Ring And Special Tool (26 1 040)
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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 2: Refitting Propeller Shaft
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Release screws. Replace ZNS bolts and self-locking nuts. Tightening torque: 26 11 1AZ .

Fig 3: Locating Bolts
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IMPORTANT:
To avoid complaints of humming:

Before removing propeller shaft, mark cardan universal joint to drive flange of rear axle final drive.

Reinstall joint in this position.

Fig 4: Locating Mark On Universal Joint To Drive Flange
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Release screws. Replace ZNS bolts. Tightening torque: 26 11 4AZ .

Fig 5: Locating Bolts
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Push rear propeller shaft (1) forwards.

Fig 6: Pushing Rear Propeller Shaft
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Grip propeller shaft and release nuts. Tightening torque: 26 11 6AZ . Bend propeller shaft downwards at center mount (1). Detach propeller shaft from transmission output flange and remove downwards.

Fig 7: Locating Nuts
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Installation note:

Check centering; if necessary, replace damaged centering.

Grease centering mount. Grease: Optimol Olistamoly 2 L584LO, part number 83 19 0 447 919

Fig 8: Locating Centering Mount
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