1998 BMW 318 key code

The key initialization procedure is as follows, get in the drivers seat and close the door, put the key in and turn to the run position but dont start, Remove the key and while holding the "lock" button down, push the unlock button three times and then release the lock button. The doors should then all lock and then unlock. If more than one key is to be initialized repeat the process with the next key straightaway. The process is finished when you open the door.