Ive got a 2008 520d with standard cloth seats and im looking at putting some seats in it from a 2007 M5. Does anyone know if i can do this without changing the wiring connectors? I realise i wont have the heated seat ability but i just want to know if it is going to involve me de-pinning connector blocks etc? Also if i did want to put heated seats in would it be a case of running wiring from the control unit to switches and the seats?