Sajjid

i have 05 530D which does not have bt and sat nav but in my town there is a guy who is breaking 530D on 05 plate which has bt sat nav and cd changer and he wants ?200 for the lot but he does not know which parts he needs to take out can someone help me please as to what should i take out when i go there on monday.
thanks

more info from the guy
sat nav is not pro version but normal one with cd
where is the wiring ( loom ) which needs to be taken out.
thanks again