1 Series E81/82/87/88 = PCD 5x120, centre bore 72.5mm and M12x1.5 bolt thread. ET 35-45 3 Series E21 = PCD 4x100, centre bore 57.0mm and M12x1.5 bolt thread. ET 12-20 3 Series E30 = PCD 4x100, centre bore 57.0mm and M12x1.5 bolt thread. ET 15-35 3 Series E30 M3 = PCD 5x120, centre bore 72.5mm and M12x1.5 bolt thread. ET 27-30 3 Series E36 = PCD 5x120, centre bore 72.5mm and M12x1.5 bolt thread. ET 30-47 3 Series E36 M3 = PCD 5x120, centre bore 72.5mm and M12x1.5 bolt thread. ET 35-47