Tightening the VANOS central valve of the exhaust camshaft adjuster

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Have the special tool 0 496 855 ready.

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Have the special tool 2 450 487 ready.

Courtesy of BMW OF NORTH AMERICA, INC.
Have the special tool 2 469 138 ready.

Courtesy of BMW OF NORTH AMERICA, INC.
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	adapter 2 469 138

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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.

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TIGHTENING TORQUE SPECIFICATIONS

VANOS central valve to camshaft
M21 VANOS central valve on the thread and on the contact surface must be coated with engine oil.	1. Joining torque	50 Nm
	2. tightening torque	140 Nm
M22 VANOS central valve on the thread and on the contact surface must be coated with engine oil.	1. Joining torque	50 Nm
	2. tightening torque	140 Nm