33 11 021 Replacing shaft seal for input flange on rear differential

WARNING: This page is about a different car, the 2010 BMW 528i, 2009 BMW 528i, and 2008 BMW 528i. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 5 010 . See MAINTENANCE AND GENERAL INFORMATION - SPECIAL TOOLS .

00 5 500

23 0 020 . See MANUAL TRANSMISSION - SPECIAL TOOLS .

23 1 300

23 1 302

23 1 303

31 2 101 . See FRONT AXLE - SPECIAL TOOLS .

31 2 102

31 2 103

31 2 104

33 1 150 . See REAR AXLE - SPECIAL TOOLS .

33 1 341

33 3 440

33 3 470

33 3 480

33 3 490

IMPORTANT: Use only approved gear oils . See REAR AXLE - OPERATING FLUIDS .
Failure to comply with this instruction will result in serious damage to the rear differential!

Necessary preliminary tasks:

Remove propeller shaft from rear differential , remove propeller shaft if necessary. See 26 11 000 REMOVING AND INSTALLING COMPLETE PROPELLER SHAFT (CONSTANT-VELOCITY JOINT) .

Removing drive flange:

Lift out retaining plate.

Mark position of collar nut (1) on drive shaft with peening tool.

Fig 1: Mark Position Of Collar Nut On Drive Shaft With Peening Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Brace drive flange with special tool 23 0 020 and release collar nut.

Fig 2: Releasing Collar Nut With Special Tool (23 0 020)

Courtesy of BMW OF NORTH AMERICA, INC.

215K / 215L / 215LW / 215 with lock :

Remove drive flange with special tools 31 2 101 , 31 2 102 , 31 2 103 /31 2 104 .

Fig 3: Removing Drive Flange With Special Tools (31 2 102, 31 2 103 And 31 2 104)

Courtesy of BMW OF NORTH AMERICA, INC.

188K/188L/188LW :

Remove drive flange with special tool 33 1 150 .

Fig 4: Removing Drive Flange With Special Tool (33 1 150)

Courtesy of BMW OF NORTH AMERICA, INC.

Replacing shaft seal:

Withdraw shaft seal with special tool 00 5 010 .

Fig 5: Removing Shaft Seal With Special Tool (00 5 010)

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in new shaft seal with following special tools (depending on rear differential ) as far as it will go.

188K /188L /188LW: Use special tools 00 5 500 and 33 3 470
215K / 215L / 215LW / 215 with lock: Use special tools 00 5 500 and 33 3 440

Fig 6: Identifying Shaft Seal With Special Tool (00 5 500, 33 3 440 And 33 3 470)

Courtesy of BMW OF NORTH AMERICA, INC.

Installing drive flange:

Coat sealing lips of shaft seal and sealing surface of drive flange with differential oil.

Fit drive flange.

Press on drive flange with special tools 23 1 300 , 33 1 341 and 23 1 303 , if necessary 23 1 302 until collar nut can be screwed on.

Fig 7: Pressing Drive Flange With Special Tools (33 1 341, 23 1 300 And 23 1 302)

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Do not under any circumstances tighten down collar nut beyond marker points in order to avoid damaging the clamping sleeve.

Tighten down collar nut (1) to point where marker points are aligned.

Fig 8: Mark Position Of Collar Nut On Drive Shaft With Peening Tool

Courtesy of BMW OF NORTH AMERICA, INC.

Drive in new retaining plate with following special tools (depending on rear differential ) as far as it will go.

188K /188L /188LW: Use special tools 00 5 500 and 33 3 480
215K / 215L / 215LW / 215 with lock: Use special tools 00 5 500 and 33 3 490

Fig 9: Identifying Special Tool (00 5 500, 33 3 480 And 33 3 490)

Courtesy of BMW OF NORTH AMERICA, INC.

After installation:

Only for rear differentials 188K / 215K / 215 with lock: Change rear differential oil . See REAR AXLE - OPERATING FLUIDS .
Only for rear differentials 188L / 215L / 215LW: Correct rear differential fluid level . See 00 11... CHECKING/TOPPING UP OIL LEVEL IN REAR DIFFERENTIAL .