09-11-2012, 02:09 PM
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The one and only
Location: NYC
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Join Date: May 2007
Posts: 17,583
Mein Auto: 2002 330i
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That's the VANOS unit which has two pistons in it.
Look at this so you can see what's in there
http://www.beisansystems.com/procedu..._procedure.htm
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