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

Special tools required: 

• 00 5 010 UNIVERSAL PULLER
• 00 5 500 HANDLE FOR DRIFTS
• 23 0 020 HOLDER
• 23 1 300 FIXTURE
• 23 1 302 23 1 300 FIXTURE
• 23 1 303 23 1 300 FIXTURE
• 31 2 101 31 2 100 FIXTURE
• 31 2 102 31 2 100 FIXTURE
• 31 2 103 31 2 100 FIXTURE
• 31 2 104 31 2 100 FIXTURE
• 33 1 150 FIXTURE
• 33 1 341 33 1 340 FIXTURE
• 33 3 390 DRIFT
• 33 3 440 DRIFT
• 33 3 470 DRIFT
• 33 3 480 DRIFT
• 33 3 490 DRIFT

Necessary preliminary tasks: 

• Remove propeller shaft from rear differential and tie back, see 26 11 000 REMOVING AND INSTALLING PROPELLER SHAFT (CARDAN UNIVERSAL JOINT) COMPLETELY .

Removing drive flange: 

Support rear axle carrier at front middle with workshop jack.

Release nuts and remove compression strut.

Installation: 

Replace self-locking nuts.

Tightening torque: 33 33 3AZ, see 33 33 REAR AXLE SUSPENSION .

Fig 1: Locating Compression Strut And Nut

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Fig 2: Drive Flange, Collar Nut And Drive Shaft

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

Fig 3: Special Tool (23 0 020)

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210 with lock, 215K: 

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

Fig 4: Special Tool (31 2 101), (31 2 102) And (31 2 103)

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168K/L, 188K/L: 

Remove drive flange with special tool 33 1 150  .

Fig 5: Locating Special Tool (33 1 150)

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Replacing shaft seal: 

Withdraw shaft seal with special tool 00 5 010  .

Fig 6: 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.

• 168K/L: Use special tools 00 5 500  and 33 3 390 
• 188K/L: Use special tools 00 5 500  and 33 3 470 
• 210 with lock, 215K: Use special tools 00 5 500  and 33 3 440 

Fig 7: Special Tool (00 5 500), (33 3 390) And (33 3 440)

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Fig 8: End Face Of Drive Flange

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Installing drive flange: 

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

Attach drive flange as per marking.

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 9: Special Tool (23 1 303), (23 1 302) And (23 1 300)

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

Fig 10: Collar Nut

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

• 168K/L, 188K/L: Use special tools 00 5 500  and 33 3 480 
• 210 with lock, 215K: Use special tools 00 5 500  and 33 3 490 

Fig 11: Special Tool (00 5 500), (33 3 480) And (33 3 490)

Courtesy of BMW OF NORTH AMERICA, INC.

After installation: 

• Differentials 168K up to 03/2003, 188K, 210 with lock only: Change rear differential oil, see 00 11 259 Oil change in rear differential incl. used oil disposal .
• Differentials 168K from 03/2003, 168L to 188L only: Correct rear differential fluid level, see 00 11 ... Checking/topping up oil level in rear differential .