Replacing the variable valve timing solenoid: Preparations: Notes
Applies only to B6xx4T
Remove the plastic pipes between the turbocharger (TC) and charge air cooler (CAC) and between the air cleaner (ACL) and the turbocharger (TC).
Put them to one side.
Slacken off the clamp for the intake manifold at the turbocharger (TC) for cylinders 1, 2 and 3. Turn the upper section of the manifold towards the firewall.