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Old 08-14-2012, 05:12 AM
LoneWolf87 LoneWolf87 is offline
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Location: East Texas
 
Join Date: Jun 2012
Posts: 10
Mein Auto: 1997 BMW Z3 2.8
Oil Flow Through Single Vanos on 1997 Z3 M52 Engine

Hi Guys,

I don't have an air test fixture for testing flow through the Single Vanos on my 1997 Z3
M52 engine, so I thought I would see if some of the Vanos Gurus on this site might know the answer.

Question: When the Vanos solenoid is energized and in the outward position pushing the solenoid piston and spring inward, does the oil being diverted push the actual/main Vanos Cam piston in or out? Also, when the Vanos piston is pushed outward on the camshaft, is it advancing cam timing, or retarding it?

Thanks in advance
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1997 BMW Z3 2.8 Automatic.

Last edited by LoneWolf87; 08-14-2012 at 05:16 AM. Reason: Add to title that it is a Z3
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