New Beinair Optima Control Unit With Used Mx2 Motor Control UnitEquipmenthandpiecemicromotor This topic contains 0 replies, has 1 voice, and was last updated by susalman August 19, 2016. Viewing 1 post (of 1 total) Author Posts July 25, 2016 at 1:00 am #5037 susalmanParticipant I have a brand new Optima control unit with a used MX2 micromotor. I graduated dental school and am attending a residency program with different handpiece system. The micromotor has 3 dents as show in the photograph. In perfect functional condition. Selling system for $1150. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.