31 31 Spring Struts
WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.
SPRING STRUTS - TIGHTENING TORQUE SPECIFICATION
| 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 |