ok so i have a 07 530i m package and i have heated everything except my steering wheel and i cant really fined anything about trying to wire it in or of i have to find a whole new wheel
i don’t know if anyone can send me a link to show me how to tell me what to look up or if some one can rech out and tell me how to do it

 

You need a new steering wheel and the button. I don’t believe there’s really much else. Below is the wiring diagram and the steering wheel that I have. Not sure what features you have.