REPLACING RADIAL SHAFT SEAL FOR OUTPUT FLANGE (GS6-37BZ/DZ H-transmission)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2005 BMW 330xi, 2005 BMW 325xi, 2004 BMW 330xi, 2004 BMW 325xi, and 2003 BMW 330xi. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: After completion of work, check transmission fluid level. See CHECKING FLUID LEVEL . Use only approved transmission fluid. See RECOMMENDED FLUID . Failure to comply with this instruction will result in serious damage to the transmission.

Remove exhaust system. See REMOVING AND INSTALLING COMPLETE EXHAUST SYSTEM (M54) .

Preparing Special Tool (23 0 130): screw both Special Tools (23 0 134) onto Special Tools (23 0 131) and (23 0 132). See Fig 1 . Observe markings.

Fig 1: Preparing Special Tools

G00388616

Courtesy of BMW OF NORTH AMERICA, INC.

Support transmission with Special Tools (00 2 030) and (23 0 130). See Fig 2 .

Fig 2: Supporting Transmission

G00388617

Courtesy of BMW OF NORTH AMERICA, INC.

Remove transmission cross-member (E60/E46/E87/E63/E64). See Fig 3 .

Fig 3: Removing Cross-Member

G00388618

Courtesy of BMW OF NORTH AMERICA, INC.

Unflange propeller shaft from transmission and tie up to one side. See REMOVING AND INSTALLING PROPELLER SHAFT (CARDAN UNIVERSAL JOINT) COMPLETELY .

WARNING: Scalding hazard. Fit flange wearing suitable protective gloves only.

Brace output flange with Special Tool (23 0 020). See Fig 4 . Release collar nut with Special Tool (23 2 320). Upon installation, mark flange with thermo pin and heat to min. 100 °C. DO NOT drive on flange. Secure collar nut with Loctite 243. Tighten to specification. See TORQUE SPECIFICATIONS .

Fig 4: Releasing Collar Nut

G00388619

Courtesy of BMW OF NORTH AMERICA, INC.

Detach output flange with Special Tool (33 1 150) from output shaft. See Fig 5 .

Fig 5: Detaching Output Flange

G00388620

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw on Special Tool (23 3 161). Push special tool over output shaft and screw firmly into sealing ring. See Fig 6 .

Fig 6: Screwing Special Tool Into Sealing Ring

G00388621

Courtesy of BMW OF NORTH AMERICA, INC.

Insert screw into special tool again and continue turning until sealing ring is pulled out of transmission housing. See Fig 7 . If necessary, remove Woodruff key of sealing ring.

Fig 7: Pulling Sealing Ring Out Of Transmission Housing

G00388622

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: coat sealing lips of new radial seal with gear oil. Drive in radial seal as far as it will go with Special Tool (23 3 162) and plastic hammer. See Fig 8 .

Fig 8: Driving In Radial Seal

G00388623

Courtesy of BMW OF NORTH AMERICA, INC.