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      01-27-2013, 04:40 AM   #1
tinnsoldaten
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Drives: e92 335i coupe
Join Date: Dec 2008
Location: Bergen

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Forge DV service

Hi all


I have had my DVs out many times , cleaned and oiled with carb oil like recommended.

My claim is that oil used is critical. My valves is sticky operation on.

I made a video that is in progress to be published , it shows how valve operates when applied vacuum to , how I serviced them and after how smooth they operate with new kind of oil , a thicker , much thicker type oil.

My valves needed a lot of vacuum before they started moving , and did not return properly always.

Now they start with much less vacuum applied and return properly.

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Last edited by tinnsoldaten; 01-27-2013 at 07:03 AM.