Make sure you have the alarm/keyless system already in your car. Your model was pre-wired for this system, but may not have the "brain"...which is located behind the glove box.
<span style='color:green'>1994 325i </span>- - - 75,000 mi.
No mods - - - very happy as is!
<span style='color:green'>1995 525i </span>- - - 154,000 mi.
No squeaks or rattles... unreal!