How do you program a BMW alarm remote?

1)get all the remotes you want to program even the ones already programmed(you can program up to 4 remotes)

2)get inside car and close all doors

3)insert key into ignition lock

4)turn ignition on then off and remove the key from the ignition cylinder

in less than 20 sec

5)press and hold the unlock button

6)press the lock button 3 times then release both buttons (the doors should lock then unlock)

to program additional remotes repeat the steps 5 an 6 on the other remotes in the same time interval without opening any doors or turning on ignition

7)open the door or open ignition to finish the programming process