While you wait for answers, we may have found some information which could help you.
Click here for Fob Bmw Seriescant get my scorpion alarm to work bmw 318ti?
cobra alarm key fob stopped working?
my bmw z3 alarm keeps going off even when driving?
lost fob?
how can I disable the immobilizer on a 1995 520ibmw?
Why has my alarm come on and why cant I get it to go off?