Removing the radial shaft seal of the drive flange
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Car may slip off the vehicle hoist where components are supported.
Danger! Immobilization period-threatening injuries!
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.
WARNING:
Hot exhaust system.
Risk of burning!
Risk of burning!
- Any work must exclusively be carried out with an exhaust system that has cooled down.
Preliminary work
- Refer to REMOVING THE REAR DIFFUSER .
- Removing the undershield on the left fuel tank.
- Loosen screws (1).
- Loosen screws (2).
- Remove the undershield (1) at the fuel tank on the left.
- Refer to REMOVING UNDERSHIELD ON THE FUEL TANK ON THE RIGHT .
- Refer to REMOVING REINFORCEMENT STRUT .
- Removing rear tunnel connecting support.
- Loosen screws (1).
- Loosen screws (2).
- Removing rear tunnel connecting support(3).
- Refer to REMOVING EXHAUST SYSTEM .
- Refer to REMOVING THE HEAT SHIELD AT THE REAR .
- Refer to RELEASING THE PROP SHAFT FROM THE REAR AXLE DIFFERENTIAL .
NOTE:
RISK OF DAMAGE
Failure to comply with the specification.
Component damage.
Failure to comply with the specification.
Component damage.
- All specifications must be observed and complied with.
- Release retaining ring (2).
- Remove recessed nut (1) with the seal.
- Mark the position of twelve-edge flange nut (1) for bevel drive pinion (2).
- 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!
- Release twelve-edge flange nut (1) in the arrow direction using special tools 0 495 552 (33 5 050) and 0 495 554 (33 5 070) . Grip the bevel drive pinion using a 500 Nm torque wrench and 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.
- Cut a small hole in a cloth (1).
- Slide cloth (1) over bevel drive pinion (2).
- Use thread file (1) to remove the adhesive residue.
The right thread pitch must be ensured!
- 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.
- Remove cloth (1) from bevel drive pinion (2).
- Pull out radial shaft seal (1) using special tool 0 490 466 (00 5 010) .