$175 obo, alarm module and hood switch only. I don't have the siren or siren mount.
This item fits the following BMWs:
2006-1/2009 E90 BMW 325i 325xi 328i 328xi 328i xDrive 330i 330xi 335i 335xi 335i xDrive M3
2007-1/2009 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive M3