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Hi Grant.
I'm just trying to code a few features such as alarm beep etc, not retrofit the alarm. Would this require VO amendments?
The car is a 2007 M3 which was bone stock as far as I was aware when I bought it last June.
I used BMvininfo to check the options and it lists option 302 Alarm and option 8S2 Coding of alarm signal.
I'm going to check for the siren at the weekend but am beginning to wonder if there is a hardware issue.
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