31 21 Wheel Bearings and Steering Knuckle
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 BMW X3, 2016 BMW X3, 2015 BMW X3, 2014 BMW X3, and 2013 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - WHEEL BEARINGS AND STEERING KNUCKLE
| Type | Thread | Tightening specifications | Dimension | ||
|---|---|---|---|---|---|
| 1AZ | Wheel bearing to swivel bearing | F01/F02/F04/F06/F07/F10/F11/F12/F13/F18 | M12x1.5x45 | Replace screws. It is essential to follow the repair instructions! |
|
| Jointing torque | 80 Nm | ||||
| Angle of rotation | 90 ° | ||||
| M12x1.25x45 | Replace screws. It is essential to follow the repair instructions! |
||||
| Initial torque | 20 Nm | ||||
| Jointing torque | 120 Nm | ||||
| Angle of rotation | 90 ° | ||||
| F25/F26 | M12 | Replace screws. | |||
| Jointing torque | 80 Nm | ||||
| Angle of rotation | 90 ° | ||||
| 2AZ | Drive flange to front axle shaft end | F03 | 420 Nm | ||
| 3AZ | Brake caliper stud bolt to swivel bearing | F06 M6/F10 M5/F12 M6/F13 M6 | Renew the stud bolt. (microencapsulated) | 20 Nm | |