Transporter t5 steelies fit And can be got in 17in too. There is a set on dd for 160. Iam not sure if they are 16 or 17s
http://www.adverts.ie/alloys-wheels/vw-transporter-t5-bmw-16-alloys/7491548

Also http://www.oponeo.ie/steel-wheels-finder

Open insignia 17in 5 x120 http://www.autobonus.lt/rims/ad/100-opel-insignia/en/73223