Replacing Lower Timing Case Cover Seal

WARNING: This page is about a different car, the 2003 BMW 530i, 2002 BMW 530i, and 2001 BMW 530i. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: This repair instruction is valid for the following engines:

M50/M52/M52TU/M54/M56
S52

Remove vibration damper, refer to 11 23 010 REMOVING AND INSTALLING OR REPLACING VIBRATION DAMPER (M52TU/M54/M56) .

NOTE: Version where vibration damper and hub are two parts:

Remove hub for vibration damper.

Fit special tool 11 2 383 to crankshaft.

Fig 1: Fitting Special Tool To Crankshaft

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Fit special tool 11 2 385 to crankshaft.

Align groove of special tool 11 2 385 to featherkey of crankshaft.

NOTE: Special tool 11 2 385 centers special tool 11 2 380.

Fig 2: Aligning Groove Of Special Tool To Featherkey Of Crankshaft

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Screw in special tool 11 2 380 until it has made firm contact with radial seal.

Remove radial seal by tightening screw on special tool.

Fig 3: Removing Lower Timing Case Cover Radial Seal

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Installation:

Coat sealing lips of new radial sealing ring with oil.

Using special tool 11 3 280 and centering screw, install new radial seal flush with timing case cover.

Fig 4: Installing Lower Timing Case Cover Radial Seal

Courtesy of BMW OF NORTH AMERICA, INC.