Needing to get some cylinder head work done on the E21, called a place on the listed on the web.
Turns out the guy retired, can't get around like he used to, but keeps his phone number on there to answer questions and help people out with recommendations.
He knew the specs for the M10 head, how they came apart, etc. SO cool.
Tucson Cylinder Head Service, Joe, if anybody needs a little advice.
What a fantastic guy.
Thank you, Joe!