31 31 Spring Struts

WARNING: This page is about a different car, the 2007 BMW 530xi, 2007 BMW 525xi, 2006 BMW 530xi, and 2006 BMW 525xi. However, it is still accessible from the selected car via links, so may be relevant.

SPRING STRUTS TIGHTENING SPECIFICATION

Application		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