case 1: I would overfly OEM, start a RT to a heading which is outbound +/- 3xWCA, then at 10DME reintercept inbound track to OEM and commence approach...
case 2: I would cross OEM and fly a parallel entry (as you would do in a holding), do one turn in the race track, and then commence approach.
That‘s what we were taught at our school, and we actually also went to Kristianstad for training once... However, we got vectors to final