Does anyone have aftermarket alarm currently?
View Single Post
10-18-2010, 01:24 PM
Drives: 2011 M3
Join Date: Oct 2010
My goal is to add motion/perimeter sensor to factory alarm. Say a couple feet away from car, and a warning chirp goes off. I don't know if this is possible...
View Public Profile
Find More Posts by CarbonAlpine