31 10 Front Axle Suspension

FRONT AXLE SUSPENSION - TIGHTENING TORQUES SPECIFICATION

	Type	Thread	Tightening specification	Measure
1AZ Front axle carrier to engine carrier	E30, E31, E32, E34	M10 8.8	Replace screws (E30 AWD insert with Loctite)	42 Nm
	E30, E31, E32, E34	M10 9.8	Replace screws	47 Nm
	E36	M12 12.9	Replace screws	105 Nm
	E36, E46	M12 10.9	Replace screws	110 Nm
	E38, E39	M12 8.8	Replace screws	77 Nm
	E52	M12 front 10.9 middle 8.8 rear 8.8	Replace screws	75 Nm
	E53, E60 / REAR END, E61 / REAR END, E63, E64, E65, E66, E67, E85, E86	M12 10.9	Observe repair instruction.	100 Nm
	E60 / Four Wheel Drive, E61 / Four Wheel Drive	M12 10.9	Observe repair instruction. Replace screws
			Jointing torque	100 Nm
			Torque angle	90°
2AZ Front end of front axle carrier to body	E34 / Four Wheel Drive	M10 8.8		47 Nm
	E83	M12 10.9		113 Nm
3AZ Front axle subframe rear / middle to body	E34 / Four Wheel Drive	(collar screw)		59 Nm
	E83	M10 10.9		50 Nm
	E83	M12 10.9		100 Nm
4AZ Front axle carrier with reinforcement to engine carrier	E31			47 Nm
5AZ Cruciform reinforcement to door sill	E31			42 Nm
6AZ Reinforcement to bracket Bracket to body	E31			42 Nm
7AZ Reinforcement (sleeve) to body	E31			127 Nm
8AZ Front end reinforcement on front axle carrier/engine carrier	E46		Replace screws; first tighten down rear screws
			Jointing torque	59 Nm
			Torque angle	90+30 °
9AZ Reinforcement plate to front axle support/engine carrier	E53		Replace screws & nuts
			Jointing torque	56 Nm
			Torque angle	90°
	E60 / REAR END, E61 / REAR END, E63, E64, E65, E66, E67		Replace screws & insertion nuts	56 Nm
			Jointing torque	56 Nm
			Torque angle	90°
	E60 / Four Wheel Drive, E61 / Four Wheel Drive		Replace screws
			Jointing torque	56 Nm
			Torque angle	90°
	E83	M10	Replace screws	74 Nm
10AZ Adapter to body	E46 / Four Wheel Drive		Replace screws	59 Nm
11AZ Front axle support to adapter	E46 / Four Wheel Drive		Replace screws	110 Nm
12AZ Heat shield to front axle carrier	E60, E61, E63, E64, E65, E66, E67			8 Nm
13AZ Mounting bracket to front axle carrier / engine carrier	E60 / Four Wheel Drive, E61 / Four Wheel Drive	M8 x 26		19 Nm