Not sure about the F30 (still waiting for production), but on the E90 it was actually a dealer installed option. The kit came with the alarm unit and a different coverplate for the overhead lights (to unmask the motion sensors). All of the wiring was already pre-installed at the factory so it only took an hour of labor and a code update to activate it. The alarm unit mounts in the left wheel well on the both E90 and F30, so the wiring may already be in place.
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