Installing the radial shaft seal for the output flange
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
RISK OF DAMAGE
Damage to the transmission.
Damage to the transmission due to unapproved transmission oil.
Damage to the transmission.
Damage to the transmission due to unapproved transmission oil.
- Use only the approved transmission oil.
- Check the transmission oil level after completing the repair.
- Replace the O-ring (1) in output flange.
Parts: O-ring
- Check the correct position of the O-ring (1).
- Oil the sealing lip of the new radial shaft sealing ring with transmission oil.
- Drive in the radial shaft seal with special tools 2 409 305 and 2 413 037 .
- Push on output flange
- Carefully drive the output flange onto the output shaft using the rubber mallet.
- Press the output flange down with 2 screwdrivers or press the main shaft to the rear.
- Mount shim.
- Press the output flange further down until the retaining groove is completely visible.
- Fit circlip (1).
Follow-up work
- Refer to FASTENING THE PROP SHAFT (PARTIALLY REMOVED) .
- Refer to INSTALLING TRANSMISSION CROSS MEMBER .
- Refer to INSTALLING THE TRANSMISSION BEARING SUPPORT .
- Refer to INSTALLING FRONT HEAT SHIELD .
- Refer to INSTALLING THE REAR HEAT SHIELD .
- Refer to INSTALLING THE LEFT THRUST FIELD .
- Refer to INSTALLING TANK COVER .
- Refer to INSTALLING EXHAUST SYSTEM .
- Refer to INSTALLING THE CONNECTING SUPPORTS ON THE TUNNEL .
- Refer to CONNECTING ALL BATTERY GROUND LEADS .