It will be all events that require volunteers that pre-register for help with the exception of solo 2 autocrossing, as part of participating is volunteering for marshalling. Solo 1 however is too difficult to have participants marshalling so we'll continue with volunteers so long as we have them!
BMW 325I E30 Chumpcar Race Car
BMW 540iT M-Sport (New Family Hauler)
BMW 428i Maranello BMW company car