11 31 Camshaft

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

11 31 Camshaft Tightening Specification (1AZ - 5AZ)

	Type	Thread	Tightening specification	Measure
1AZ Camshaft bearing cap		M6		10 N.m
		M7		14 N.m
		M7- 8.8		15 N.m
		M8		20 N.m
2AZ Sprocket to camshaft	M20 / M21 / M40	M10		65 N.m
3AZ Sprocket to camshaft flange	M60 / M62	M6		15 N.m
		M6		10 N.m
	M50 / M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS	M7
			Application torque	5N.m
			Jointing torque	20 N.m
		M7		15 N.m
4AZ Sprocket to camshaft	M51 / M41 / M47 / M57	M12x1.5	Replace screws
			Jointing torque	20 N.m
			Torque angle	35°
	M47TU / M57TU	M12x1.5	Replace screws
			Jointing torque	20 N.m
			Torque angle	50°
	M67	M12x1.5	Replace screws
			Jointing torque	20 N.m
			Torque angle	90°
5AZ Toothed shaft to inlet camshaft	M52 / S52 / S50 US / M50 / VANOS	M14x1.5
			Jointing torque	40 N.m
			Torque angle	60°

CAMSHAFT TIGHTENING TORQUE SPECIFICATIONS (6AZ - 14AZ)

	Type	Thread	Measure
6AZ Flange to camshaft	M30		145 N.m.
7AZ Screw plug for chain tensioner	M50 / S50 US / S62	M22 x 1.5	50 N.m.
	All / others	M22 x 1.5	40 N.m.
8AZ Cylinder for chain tensioner plunger	M67	M22 x 1.5	45 N.m.
	N40 / N42 / N45 / N46 / N62 / N73	M22 x 1.5	65 N.m.
	M50 / M52 / M52TU / M54 / M56 / S52 / S50 US	M26 x 1.5	70 N.m.
	All / others	M26 x 1.5	50 N.m.
9AZ Bearing flange on engine block	M60	M6	13 N.m.
10AZ Reversing rail on engine block	M62 / S62	M6 /M7	14 N.m.
11AZ Screw-in pin on camshaft	All	M7	20 N.m.
Nut on screw-in pin	All	M6	10 N.m.
12AZ Bearing pin for sliding and tensioning rails	M41 / M47 / M47TU / M51 / M57 / M57TU	M16 x 1.5	20 N.m.
	M67	M16 x 1.5	26 N.m.
13AZ Signal disk to camshaft	S62 / S54	M16 x 1.5	50 N.m.
14AZ Sensor gear to camshaft	N62 / N73	M14 x 1.5	30 N.m.