31 21 Wheel Bearings and Steering Knuckle
WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.
WHEEL BEARINGS AND STEERING KNUCKLE TIGHTENING TORQUE SPECIFICATIONS (1AZ - 5AZ)
| Type | Thread | Tightening Specification | Measure | |
|---|---|---|---|---|
| 1AZ Collar nut (bearing unit) | E24 from 5.82 / E28 / E30 / E31 / E32 / E34 / E36 / E38 / E46 | 290 N.m. | ||
| E85 | 290 +/- 20 N.m. | |||
| E67 | 420 N.m. | |||
| 2AZ Drive flange to axle shaft | E30 (AWD) | Replace collar nut | 250 N.m. | |
| E34 (AWD) | Replace collar nut | 250 N.m. | ||
| E46 (4WD) / E53 / E60, E61 (AWD) / E67 / E83 | Replace collar nut | 420 N.m. | ||
| 3AZ Castle nut - adjustment specification | E12 / E21 / E23 / E24 from 5.82 | Refer to repair instructions | ||
| 4AZ Steering knuckle to spring strut | E36 | M12x20 | Replace screws | 107 N.m. |
| E36 | Fitting screw M12x42 | 107 N.m. | ||
| E38 / E46 / E85 | Multipurpose screw M12x1.5x55 | Replace screw | 81 N.m. | |
| E39 | Screw with flange M12x1.5x95 | 81 N.m. | ||
| 5AZ Bearing unit on swivel bearing | E39 / E52 / E60, E61 (except AWD) / E63 / E64 / E65 / E66 | Replace screws | 110 N.m. | |
| E85 | M30x1.5 | Replace nut | 290 +/- 25 N.m. |