Replace wheel bearings
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.
WARNING:
Vehicle may slip off the vehicle hoist if the vehicle hoist is handled incorrectly
.
Danger! Immobilization period-threatening injuries!
Danger! Immobilization period-threatening injuries!
- Observe safety instructions on raising the vehicle using a vehicle hoist.
- For additional information see: 00... RAISE THE VEHICLE USING A VEHICLE LIFT .
NOTE:
RISK OF DAMAGE
Component damage caused by striking tools .
Brute force can result in component damage .
Component damage caused by striking tools .
Brute force can result in component damage .
- Only use those tools intended for the work.
Preliminary work
- Refer to THE INFORMATION ON THE CARBON CERAMIC BRAKE .
- Refer to REMOVING THE FRONT LEFT WHEEL .
- Refer to LOOSENING THE OUTPUT SHAFT FROM THE WHEEL BEARING .
- Refer to RELEASING THE FRONT BRAKE CALIPER .
- Refer to REMOVING FRONT BRAKE DISC .
- Use the special tool 2 472 903 or 5 A47 6E6 for unscrewing and tightening the spherical-collar screws.
NOTE:
TECHNICAL INFORMATION
Secure component against falling.
Secure component against falling.
- Release spherical-collar screws (1) with the special tool 2 472 903
.
For access to the spherical-collar screws (1), press the output shaft (2) slightly to the side.
- Remove wheel bearing (1).
NOTE:
TECHNICAL INFORMATION
Keep the connection between the wheel bearing and the swivel bearing clean and free of oil and grease.
Keep the connection between the wheel bearing and the swivel bearing clean and free of oil and grease.
- Clean contact surfaces (1).
- Replace the wheel bearing (1).
Parts: Wheel bearing
- Position the wheel bearing (1) on the swivel bearing.
- Replace the spherical-collar screws (1).
Parts: Spherical-collar screw
- Tighten the spherical-collar screws (1) crosswise using the special tool 2 472 903
.
For access to the spherical-collar screws (1), press the output shaft (2) slightly to the side.
TIGHTENING TORQUE SPECIFICATIONS
| Wheel bearing to swivel bearing | ||
| M12 Replace spherical collar screws. Tighten the spherical-collar screws in crosswise sequence
. The tightening sequence must strictly be followed and carried out on all spherical-collar screws at the same time! |
Tightening torque | 20 Nm |
| Initial torque | 140 Nm | |
| Unscrew all bolts . | max. 45° | |
| Tightening torque | 120 Nm | |
| Angle of rotation | 90° | |
Follow-up work
- Refer to INSTALLING FRONT BRAKE DISK .
- Refer to FASTENING FRONT BRAKE CALIPER .
- Refer to FASTENING THE OUTPUT SHAFT ON THE WHEEL BEARING .
- Refer to ATTACHING THE FRONT LEFT WHEEL .
- Refer to PLACING THE BRAKE PADS ON THE BRAKE DISK/PUTTING THEM INTO OPERATION .