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Old 01-28-2013, 07:47 PM
cn90 cn90 is offline
Officially Welcomed to the 'Fest
Location: Omaha NE
Join Date: Mar 2006
Posts: 14,362
Mein Auto: 1998 528i 5-sp 140K+
1. Cam Locking Tool: Get a piece of plexiglass or wood and cut the squares once the valve cover is removed and the camshafts are set properly.
Most of the time, the camshafts will not move unless you apply moderate force.

2. The Cam Sprocket tool: use a right-angle pair of pliers and turn it via the holes (where the torx bolts go in), you will be fine.

In fact, no need for any special tools.

As long as you read the engineering aspects of Vanos (think like an engineer), and fully understand the Intake Vanos Splines meshing with the Intake Spocket, then you are fine.
The bottom line is, when activated, the piston protrudes outward, turning the Intake Cam Shaft (not the Sprocket) Clockwise, thus advancing the cam.

You tube has a few useful video of Vanos.

Last edited by cn90; 01-28-2013 at 08:18 PM.
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