11 14 141 Replacing radial seal in lower timing case cover

WARNING: This page is about a different car, the 2005 BMW Z4, 2004 BMW Z4, and 2003 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.

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
S52

Remove vibration damper . See 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 . See 11 23 010 Removing And Installing Or Replacing Vibration Damper (M52TU / M54 / M56) .

Fit special tool 11 2 383 to crankshaft.

Fig 1: Fitting Special Tool 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 Special Tool

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: Removing Radial Seal

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.