33 11 021 Replacing shaft seal for input flange on final drive

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2010 BMW M6, 2010 BMW 650i, 2009 BMW M6, 2009 BMW 650i, and 2008 BMW M6. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 5 010
00 5 500
23 0 020
23 1 300
23 1 302
23 1 303
31 2 101
31 2 102
31 2 103
31 2 104 . Many special tools are identified in illustrations. Also see FRONT AXLE - SPECIAL TOOLS .
33 1 150
33 1 341
33 3 440
33 3 470
33 3 480
33 3 490 See REAR AXLE - SPECIAL TOOLS .

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

Necessary preliminary tasks:

Remove propeller shaft from rear differential drive flange , remove complete propeller shaft if necessary. See 11 PROPELLER SHAFT ASSEMBLY .

Removing drive flange:

Lift out retaining plate.

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

Fig 1: Identifying Collar Nut On Drive Shaft

Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 2: Identifying Special Tool 23 0 020

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NOTE: Read and comply with document Rear differential: Assignment to model series .

215K / with lock:

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

Fig 3: Identifying Special Tools

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188K/L:

Remove drive flange with special tool 33 1 150 .

Fig 4: Identifying Special Tool 33 1 150

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Replacing shaft seal:

Withdraw shaft seal with special tool 00 5 010 .

Fig 5: Identifying Special Tool 00 5 010

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

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

Fig 6: Identifying Special Tools
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. See OPERATING FLUIDS - REAR AXLE .

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: Identifying Special Tools

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: Identifying Collar Nut

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/L: Use special tools 00 5 500 and 33 3 480
215K / 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 to 215K / with lock: Change rear differential oil . See OPERATING FLUIDS - REAR AXLE .
Only for rear differential 188L: Correct rear differential fluid level