11 14 141 Replacing radial seal in lower timing case cover

WARNING: This page does not describe the selected car, but rather 16 other vehicles, including the 2006 BMW 330Ci, 2005 BMW 330xi, 2005 BMW 330i, 2005 BMW 330Ci, and 2004 BMW 330xi. 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 11 2 383 To Crankshaft

G03123231

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 To Featherkey Of Crankshaft

G03123232

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

G03123233

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 New Radial Seal Flush With Timing Case Cover

G03123234

Courtesy of BMW OF NORTH AMERICA, INC.