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Originally Posted by Charlie D. I have not owned my 318ti very long. While doing a brake job I spotted this thing laying on the bumper in the right front of the engine bay. When hung on the bracket it nearly touches what appears to be the AC dryer. I thought it was the horn but after looking up 318ti horns for sale they did not look like this. I have not triggered the alarm system but maybe it is a siren for that? Charlie D. |
Siren for the alarm system. Likely made by Alpine for BMW. I have one spare I need to find to replace the larger one I have on my Cali as my recently installed Depo projectors take up more space on that side.