Originally Posted by bcredliner

Were you given a reason why you were not their clientele? Did you unload on them or were you polite and professional? BMW NA always refers you back to the dealer until all efforts to resolve the problem have been exhausted there. Did the dealer say the head was not that way when they sold it?

I would seek out a source that specializes in rebuilding BMW heads or sells high performance BMW heads and see what they suggest. There is source in MN I believe that is very reasonable. It was mentioned in a thread but I don't remember which one.