31 21 Wheel Bearings And Steering Knuckle
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 BMW M5, 2009 BMW M5, 2008 BMW M5, 2008 BMW 550i, and 2007 BMW M5. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING SPECIFICATION - WHEEL BEARINGS AND STEERING KNUCKLE (31 21)
| 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 | M12x20 | Replace screws | 107 Nm |
| E36 | Fitting screw M12x42 | 107 Nm | |||
| E39 | Screw with flange M12x1.5x95 | 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 | |