31 31 Spring Struts
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 - SPRING STRUTS (31 31)
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Spring strut support bearing / adapter for rough road package to wheel arch / adapter for rough road package | E60, E61, E63, E64, E65, E66, E67, E83, E85, E86 | Flanged hexagon nut | Replace nuts | 34 Nm |
| E28, E30, E31, E32, E34, E36 / S50 / S52, E38, E39 | Hexagon flange nut dia. 18 mm | Replace nuts | 24 Nm | ||
| E36 / S50 / S52 | Flanged hexagon nut dia. 21 mm | Replace nuts and secure with Loctite 242 | 27 Nm | ||
| E32, E34, E36, E46, E53 | Flanged hexagon nut dia. 21 mm | Replace nuts | 34 Nm | ||
| E52 | Hexagon flange nut dia. 18 mm | Replace nuts | 28 Nm | ||
| 2AZ | Shock absorber piston rod on thrust bearing | E12, E21, E23, E24 / until 5.82 | 80 Nm | ||
| E24 / from 5.82, E30, E31, E32, E34 | M12 (with external hexagon piston rod) | 64 Nm | |||
| E24 / from 5.82, E30, E31, E32, E34 | M12 (with internal hexagon piston rod) | 44 Nm | |||
| E36, E38, E39, E46, E52, E53, E60, E61, E63, E64, E65, E66, E67, E83, E85, E86 | Replace nut | 64 Nm | |||
| 3AZ | Spring strut shock absorber to pivot mount | E34 / Four Wheel Drive | 80 Nm | ||
| E53 | Replace screw & nut | 250 Nm | |||
| E52, E60 / except AWD, E61 / except AWD, E63, E64, E65, E66 | Replace screw & nut | 81 Nm | |||
| E60 / Four Wheel Drive, E61 / Four Wheel Drive, E67, E83 | Replace screw & nut | 100 Nm | |||