11 36 Variable Camshaft Control

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.

VARIABLE CAMSHAFT CONTROL - TIGHTENING TORQUE SPECIFICATION

	Type	Thread	Tightening specification	Measure
1AZ 4/2-way valve/solenoid valve to VANOS housing	M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS			30 Nm
2AZ Banjo bolt to VANOS adjustment unit	M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS	M14 x 1.5		32 Nm
3AZ Screw plug to VANOS adjustment unit	M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS	M22 x 1.5		50 Nm
4AZ Left-hand thread: Set screw for hydraulic piston to toothed shaft	M52TU / M54 / M56	M6		10 Nm
5AZ Hydraulic line for VANOS to oil filter equipment carrier	M52 / M52TU / M54 / M56 / S52 / S50 US / M50 / VANOS			32 Nm
6AZ Collar nut on spline shaft	S50	M6		9 Nm
7AZ Cover to VANOS adjustment unit (hydraulic piston inlet side)	S50	M5		5 Nm
8AZ Filter screw to VANOS adjustment unit	S50	M10x1		12 Nm
9AZ Pressure line to VANOS adjustment unit	S62 / S54	M10 x 1		13 Nm
Pressure line to pressure accumulator and VANOS adjustment unit	S50	M12 x 1		20 Nm
10AZ Cover for solenoid valve to VANOS adjustment unit	S50 / B30	M5 8.8		6 Nm
	S50 / B32	M5 10.9		8 Nm
	S62	M7 10.9		19 Nm
11AZ Cover to VANOS adjustment unit (exhaust side)	S54 / S50 / B32	M6 10.9		13 Nm
12AZ Solenoid valve on distributor	M62 / VANOS	M27x1.5		25 Nm
13AZ Left-hand thread: Exhaust chain wheel to exhaust camshaft	M62 / VANOS	M12x1.5		125 Nm
14AZ Left-hand thread: VANOS adjustment unit to inlet camshaft	M62 / VANOS	M12x1.5		110 Nm
15AZ Left-hand thread: Nut of sensor gear screw fitting	M62 / VANOS	M18x1.5		40 Nm
16AZ Adjustment unit to exhaust or inlet camshaft	N40 / N42 / N45 / N46	M10x1	Replace screws
			Jointing torque	20 Nm
			Torque angle	90 °
			Torque angle	90 °
	N62 / N62TU / N73	M10x1	Replace screws
			Torque	80 Nm
17AZ Non-return valve	N62 / N62TU / N73	M14x1.5		20 Nm