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Cam journal size (archive)
[ Follow Ups ] [ 7-series (E23) Message Board ] [ Msg. Board FAQ ]
Posted by Mike W. on March 10, 2002 at 20:45:16:

In Reply to: need information posted by Robert on March 10, 2002 at 10:27:50:

According to my big blue BMW factory manual for the 75 to 81 E12 the journal sizes are as follows
35MM 1.3779"
44MM 1.7323"
45MM 1.7717"
46MM 1.8110"
Those are the journal sizes, not the bore in the head, I didn't write that one down. I measured an old cam I had laying around the garage and it ranged from about a half a thou to 3 thou small, in order with the most clearance on the smallest journal. I don't remember what kind of shape the engine it came out of was in.
Hope this helps
Mike W.

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