Installing the VANOS central valve of the exhaust camshaft adjuster

Version A with the thread M22:
Wet the VANOS central valve (A) at the thread (1) with fresh engine oil.
Wet the VANOS central valve (A) on the contact surface (2) with fresh engine oil.
Version B with the thread M21:
Wet the VANOS central valve (B) at the thread (1) with fresh engine oil.
Wet the VANOS central valve (B) on the contact surface (2) with fresh engine oil.

Courtesy of BMW OF NORTH AMERICA, INC.
Feed in and install the VANOS central valve (1) of the exhaust camshaft adjuster.

Courtesy of BMW OF NORTH AMERICA, INC.
Hand-tighten the VANOS central valve (1) of the exhaust camshaft adjuster.

Courtesy of BMW OF NORTH AMERICA, INC.
Release the VANOS central valve (1) of the exhaust camshaft adjuster in the direction of the arrow by 60°.

Courtesy of BMW OF NORTH AMERICA, INC.