I'm curious about these "BMW Motorsport Cams". Never heard of such a thing. Unless this guy is calling the cam sprocket upgrade (putting 3.8 cam sprockets on the 3.6) "BMW Motorsport Cams". I'd guess that's what's in there as it'd go along with the Dinan software.
Could have Schrick's in it too I suppose.
And there were a few custom built cars that left the Motorsport facility with 408HP S38's. But I really doubt a beater '91 US spec M5 would have anything resembling the custom parts that were in those S38's. In fact I'm not all sure what they did to squeeze that much power out of 'em. But I'm guessing different cams was part of the equation.
Cosmos Black/Black 1995 540iA M-Sport
BMW Individual Exclusive Edition, 1 of 65 total, 9/25/95 Build