E34 Alarm System question!

[Calico_NC]

I need an alarm on my car. I have the hookups for an alarm, but no alarm.So my question is, can u put any alarm system in, or does it have to be a BMW model. I wanted something like this:

http://cgi.ebay.com/ebaymotors/WORLD-SMALLEST-2-WAY-LCD-REMOTE-PAGER-CAR-ALARM-SYSTEM_W0QQcmdZViewItemQQcategoryZ33721QQitemZ8055 172312QQrdZ1

[Rob]

Any alarm system will go in. Doesn't have to be a BMW one.

[Calico_NC]

okay thanks