Tightening the VANOS central valve of the exhaust camshaft adjuster

Courtesy of BMW OF NORTH AMERICA, INC.

Have the commercially available torque wrench (1) ready.

Courtesy of BMW OF NORTH AMERICA, INC.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The figure shows the rear of the engine.

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

Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work