I just recently purchased my first E34. A 1995 540i, no complaints so far. I really like this car! But I had a question about the factory alarm that comes with this car. After I arm the alarm is goes off sometimes for no reason. I was wondering if this has ever happened to any of you? Is it set too sensitive? Can I turn it down myself or do I need to take it to the dealer? Or what sort of problem could it be?