Slightly OT, but I'm curious as to how many posters (if any) have non-BMW alarms. I had a non-OEM alarm installed in a Honda Accord many years back, and then went on to have electrical problems for a long time afterward. Since that car, I've never allowed anything aftermarket to be installed that has implications for the electric system of the car (even relatively benign stuff like new head units, bluetooth modules, etc).
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