31 10 Front Axle Suspension

WARNING: This page is about a different car, the 2006 BMW X5, 2005 BMW X5, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

FRONT AXLE SUSPENSION TIGHTENING TORQUE SPECIFICATIONS (1AZ - 12AZ)

	Type	Thread	Tightening Specification	Measure
1AZ Front axle carrier to engine carrier	E52	M12 front 10.9 middle 8.8 rear 8.8	Replace screws	75 N.m.
	E53 / E60 / E61 / E63 / E64 / E65 / E66 / E67 / E85	M12 10.9		100 N.m.
	All	M10 9.8	Replace screws	47 N.m.
	All	M10 8.8	Replace screws (E30 325iX insert with Loctite)	42 N.m.
	All	M12 8.8	Replace screws	77 N.m.
	All	M12 12.9	Replace screws	105 N.m.
	All	M12 10.9	Replace screws	110 N.m.
2AZ Front end of front axle carrier to body	E34 / 525iX	M10 8.8		47 N.m.
	E83	M12 10.9		113 N.m.
3AZ Front axle subframe rear / middle to body	E34 / 525iX	(collar screw)		59 N.m.
	E83	M12 10.9		100 N.m.
	E83	M10		56 N.m.
4AZ Front axle carrier with reinforcement to engine carrier	E31			47 N.m.
5AZ Cruciform reinforcement to door sill	E31			42 N.m.
6AZ Reinforcement to bracket Bracket to body	E31			42 N.m.
7AZ Reinforcement (sleeve) to body	E31			127 N.m.
8AZ Front end reinforcement on front axle carrier/engine carrier	E46		Replace screws; first tighten down rear screws
			Jointing torque	59 N.m.
			Torque angle	90+30°
9AZ Reinforcement plate to front axle support/engine carrier	E53		Replace screws & nuts
			Jointing torque	56 N.m.
			Torque angle	90°
	E60, E61 (except AWD) / E63 / E64 / E65 / E66 / E67		Replace screws & captive nuts
			Jointing torque	56 N.m.
			Torque angle	90 +/- 15°
	E60, E61 (AWD)		Replace screws
			Jointing torque	56 N.m.
			Torque angle	90°
	E83	M10	Replace screws	74 N.m.
10AZ Adapter to body	E46 / Four Wheel Drive		Replace screws	59 N.m.
11AZ Front axle support to adapter	E46 / Four Wheel Drive		Replace screws	110 N.m.
12AZ Heat shield to front axle carrier	E60 / E61 / E63 / E64			8 N.m.