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1996 E36 318is sigma alarm

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sigma
1K views 2 replies 2 participants last post by  disco!!!! 
#1 ·
hey guys
a while back the batteries came out of my key fob whilst the fob was in my pocket, since it was longer than 30 secs the fob deactivated and the alarm went mental
i took the car to my local main stealer to have the fob recoded which couldnt be done because the computer would not connect to the alarm module so the tech turned off the alarm which was fine for a while untill i had the battery off for a while and the alarm reactivated
i managed to silence the siren but you could still hear it going off very faintly
anyways i was wanting to know if it would be possible to swap the alarm module and get a fob from another car, or is it a no no
are these alarms coded in anyway
the tech was saying it looked like the siren had been changed on my car at somepoint and he didnt want to spend any time at it due to the cost
its a sigma alarm with the single button fob
thanks
 
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