You don't really need the flow bench to set up the CIS head. Most guys call this a "milking machine" because it looks like a cow miker. I have seen CIS cars set up run great with low emissions without any special tools other than the 3mm allen for adjusting fuel flow. True, each injector can be set up individually, but why bother? Try finding someone who has the tool and knows how to use it. You will spend quite a bit of money, for nothing. Being an engineer, you can do a better job than anyone else. It just takes patience. Someone once told me the mechanical injection pump on my 220SE was toast. The plungers were stuck. I took it apart and put it back together and the car runs great. I saved big $$$.