BMW: my ignition, time melissa, model bmw

Question
Hi. You might remember me I had the 92 325i thats key wouldn't turn in the ignition.  I wanted to install a push button starter instead of fixing the key barrel just yet because I'm low on cash.  You replied and said this could be done as long as I can turn my key to the on position.  I must have misinformed you into thinking I couldn't turn it to the on position but I can, I can turn my car on. Anyways I was where I can find information on which wires go to the pushbutton from the ignitition. I opened up my steering column and exposed all the wires. I see ones that look like the two I need but I am not sure and I do not want to further damage my car.  My pushbutton is simple with a button and two places to connect to wires and no directions. I am desperate for help. My only chance of getting my baby running again is to do this.  I know I could physically do it I just  need direction. If you could help me at all I would appreciate it greatly, if not I am sorry for wasting your time.
                           Melissa Rose

ps. if you can help I could give you my phone number and maybe do it over the phone I also have pictures.  

Answer
Melissa,

 There are four positions that the key will turn to.  Off, accessory, on, and start.  You know what Off is, but accessory turns the radio on, and on some models allows the windows to be rolled up/down.  The "on" system has every electronic device fully activated as the car would normally operate.  When you start the car, you twist the key to the "start" position, then release the key back to the "on" position.  while the key is in the "start" position the starter is engaged and spins the flywheel, in turn starting the engine.  
 As I said previously, I dont know "that" much about the later model BMW's and cant tell you which wire is used for a push button start.  
 Another issue is that I am can be held responsible for giving you incorrect/incomplete information that might lead to problems.  I do not want to be in this position, so I will refrain from giving you this information.
 As I stated before It would be 10 times cheaper to have a locksmith come out and fix the problem, instead of cutting wires and adding a switch inline.  
 If you can get your key turned to the "on" position, you can take a screwdriver/wire and cross the points on the starter to see if the starter will engage.  If the key is in the "on" position the car should run.

 I hope this helps, because I do not know enough about these vehicles and their electronics to give you educated advice on the what to cut/splice to make a push-button start.