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E36General discussion and technical help for (E36) 1992-1999 3 series cars. 318, 323, 325, 328.
anybody ever tried putting a s52/m52 valve cover on an s50
sine the coils are different i wanted to know if there is actually a difference or can this be an upgrade
Basically its ODB1 versus ODB2.. The odb1 is aluminum (I believe) and the ODB2 is plastic. They are interchangeable, but, the hose that connects to the ICV is not the same. And you will have to do some modifications to make it fit. There is no benefit going to the ODB2 valve cover at all. I actually have the ODB1 cover on my S52 engine.
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the coils are different in ODBII than ODBI
having 1999 M3 ODBII coils wouldnt that be an upgrade for a OBDI cars i am curious
another thing while interchanging you also had to get ODBI asket too right because in my case the m50 engine /vanos gasket couldnt fit in the ODBII valve cover