Anybody on here able to help me with a little quandry?

I'm fitting a set of leather 1997 M3 Vader seats into a 1997 BMW 323i Coupe (E36). The car doesn't have electric seats as standard so I have to sort the wiring myself. Being Vx through and through I am clueless when it comes to BMWs and just need to know what wire to attach where!!!

Does anyone know if there is a loom I can buy to hook the seats up? or if there would be any issues with me just wiring up an ignition live to all the live wires and then earth the neutral? will the actuators be 12v, or something less? will I need relays?

Mods - feel free to move thread if its in the wrong place etc.