think you may need the following as well, which is the tube/bracket that goes between the flexi and the caliper.
you need 4,5,(5),6,8 from the following list.......
1 1ML615105 brake caliper housing with pads / left
(1) 1ML615106 brake caliper housing with pads / right
2 1ML615421 retaining bracket for mark ii caliper
3 6KL615141 allen key head bolt / M12X1,5X67
4 1ML611735 brake pipe from brake hose to piston housing / left
(4) 1ML611736 brake pipe from brake hose to piston housing / right
5 1ML611799 bracket for brake hose / left
(5) 1ML611800 bracket for brake hose / right
6 1ML615293 hexagonal head bolt / M6X12
7 1ML611701A brake hose / 514MM
8 4D0611715B retaining spring
9 1ML615301 brake disc (ventilated) / 323X28 5/100
10 8N0615311A splash shield for brake disc / left
(10) 8N0615312A splash shield for brake disc / right
11 N 10112603 countersunk bolt / M6X15SP
12 N 90305302 hexagon head bolt c/w shoulder / M6X10
13 N 90708502 self-locking bolt / M12X1,5X35
14 1ML698151 1 set: brake pads with wear indicator for disc brake
15 6KL698273 repair kit
16 1ML698295 1 set: attachment parts for disc brake pads
17 1ML698471 set of seals for brake caliper housing
18 G 000650 lubricating paste / 100G
19 G 052150A2 lithium-grease / 180G