E90 leather seat problem

[hprice1099]

Hi guys, need your wounderfull assistance again, i've got rid of my manual E90 SE interior and upgraded it to a manul leather interior off an 08 E90 335 m sport, the problem i have is the new interior has an eletric button for the lumbar suppport, i've contacted bmw about this but there not to sure, i'm waiting for a call tomoz about what parts i might need but does anyone no how to do this? i've been told i might need to buy new wire and fuses etc but i know bmw will charge £££££ for this to be fixed.
Any help and advice would be greatfull. Cheers

[hprice1099]

Just a quick update guys, been told by bmw today it may need a new wire loom which would cost ££££££, but he's not sure yet. any ideas???
cheers