Tightening the VANOS central valve of the exhaust camshaft adjuster

Have the special tool 0 496 855 ready.

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Have the special tool 2 450 487 ready.

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Have the special tool 2 469 138 ready.

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Have the commercially available torque wrench (1) ready.

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Have all the special tools and commercially available tools ready.

Number	Description
1	Standard torque wrench
2	Wrench socket set 2 450 487
3	Reversible ratchet 0 496 855
4	Commercially available reduction
5	adapted 469 138

G14391826

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Assemble all the special tools and commercially available tools as shown.

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NOTE: The figure shows the rear of the engine.

Tighten the VANOS central valve (1) of the exhaust camshaft adjuster.

TIGHTENING TORQUES SPECIFICATION

VANOS central valve to camshaft
M21 VANOS central valve on the thread and on the contact surface must be coated with engine oil.	Joining torque	50 Nm
	tightening torque	140 Nm
M22 VANOS central valve on the thread and on the contact surface must be coated with engine oil.	Joining torque	50 Nm
	tightening torque	140 Nm

G14391804

Courtesy of BMW OF NORTH AMERICA, INC.