31 21 Wheel Bearings and Steering Knuckle
WARNING: This page is about a different car, the 2010 BMW 535i, 2009 BMW 535i, and 2008 BMW 535i. However, it is still accessible from the selected car via links, so may be relevant.
WHEEL BEARINGS AND STEERING KNUCKLE - TIGHTENING TORQUES SPECIFICATION
| Type | Thread | Tightening specification | Measure | |
|---|---|---|---|---|
| 1AZ Collar nut (bearing unit) | E24 / from 5.82, E28, E30, E31, E32, E34, E36, E38, E46, E85, E86 | 290 Nm | ||
| E67 | 420 Nm | |||
| 2AZ Drive flange to axle shaft | E30 / Four Wheel Drive, E34 / Four Wheel Drive | Replace collar nut | 250 Nm | |
| E46 / Four Wheel Drive, E53, E60 / Four Wheel Drive, E61 / Four Wheel Drive, E67, E83 | Replace collar nut | 420 Nm | ||
| 3AZ Castle nut - adjustment specification | E12, E21, E23, E24 / from 5.82 | Observe repair instruction. | ||
| 4AZ Steering knuckle to spring strut | E36 | M12 x 20 | Replace screws | 107 Nm |
| E36 | Fitting screw M12 x 42 | 107 Nm | ||
| E39 | Screw with flange M12 x 1.5 x 95 | 81 Nm | ||
| E38, E46, E85, E86 | M12 | Replace screw | 81 Nm | |
| 5AZ Bearing unit on swivel bearing | E39, E52, E60 / REAR END, E61 / REAR END, E63, E64, E65, E66 | Replace screws | 110 Nm |