31 21 180

31 21 180Removing and installing/replacing bearing for front wheel

Necessary preliminary tasks: Remove brake disk

Release screws(1).Press wheel bearing(2) off swivel bearing with a suitable tool.Installation:Replace microencapsulated screws.Tightening torque31211AZ.

Installation:When reusing, recut all the threads in the wheel bearing.Keep contact surface(1) of swivel bearing and wheel bearing clean and free from oil and grease.

31 21 Wheel Bearings and Steering Knuckle TypeThreadTightening specificationMeasure

1AZWheel bearing to swivel bearing

E81, E82, E87, E88, E90 / REAR END, E91 / REAR END, E92 / REAR END, E93M12Replace screws110 Nm

2AZDrive flange to axle shaft

E90 / Four Wheel Drive, E91 / Four Wheel Drive, E92 / Four Wheel DriveM27Replacing collar nut, lightly oil contact face420 Nm