11 14 141 Replacing radial seal in lower timing case cover

WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

For Special Tool identification, see SPECIAL TOOLS - Z3 .

Special Tools Required:

11 2 380
11 2 383
11 2 385
11 3 280

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

M50 / M52 / M52TU / M54 / M56

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:

Fit special tool 11 2 383 to crankshaft.

Fig 1: Fitting Puller To Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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 Puller To Featherkey Of Crankshaft

Courtesy of BMW OF NORTH AMERICA, INC.

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: Screwing In Special Tool 11 2 380

Courtesy of BMW OF NORTH AMERICA, INC.

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 Radial Seal

Courtesy of BMW OF NORTH AMERICA, INC.