Removing the radial shaft seal of the drive flange

WARNING: Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly .
Danger! Immobilization period-threatening injuries!

Observe safety instructions on raising the vehicle using a vehicle hoist.
For additional information see: 00... RAISING THE VEHICLE WITH A VEHICLE LIFT .

WARNING: Car may slip off the vehicle hoist where components are supported .
Danger! Immobilization period-threatening injuries!

Secure the vehicle hoist against lowering and lifting.
Make sure that the vehicle does not lift off the mounting plates on the vehicle lift.

NOTE: RISK OF DAMAGE
Damage to rear differential .
Failure to comply with the oil specifications can result in serious damage to the rear differential .

After completion of repair work, check the transmission oil level in the rear differential.
Use only the BMW approved final drive transmission oil. See the Fluid Capacities tab for the selected vehicle.

Preliminary work

Refer to REMOVING THE CONNECTING SUPPORT FROM THE TUNNEL .
Refer to REMOVING COMPLETE EXHAUST SYSTEM .
Refer to REMOVING HEAT SHIELD AT REAR .
Refer to RELEASING THE PROP SHAFT FROM THE REAR DIFFERENTIAL .

Release retaining ring (2).
Remove recessed nut (1) with the seal.

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Mark the position of twelve-edge flange nut (1) for bevel drive pinion (2).

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Heat twelve-edge flange nut (1) using a hot air blower.
Do not heat more than required to open twelve-edge flange nut (1)! Do not use open flames for heating!
Loosen the twelve-edge flange nut (1) using the special tools 0 495 552 (33 5 050) and 0 495 554 (33 5 070) in the arrow direction. Provide counter support to the bevel drive pinion using a 500-Nm torque wrench and a suitable special tool 0 495 553 (33 5 060), 0 495 595 (33 5 090) or 2 456 244 .
To prevent damage to the interior function elements, it is mandatory to set the torque wrench to the highest scale value (500 Nm) because the twelve-edge flange nut (1) has a very high release torque .

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Cut a small hole in a cloth (1).
Slide cloth (1) over bevel drive pinion (2).

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Use thread file (1) to remove the adhesive residue.

The right thread pitch must be ensured!

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Set thread file (1) on the thread of bevel drive pinion (2).
Clean the thread by turning a rear wheel and remove the adhesive residue thoroughly.

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Remove cloth (1) from bevel drive pinion (2).

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Pull out the radial shaft seal (1) with the special tool 0 490 466 (00 5 010) .

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