^ interesting. Not sure of the reasoning behind that though. And I would've liked that it cannot shift from Park to Drive/Reverse if no key is detected. The car gives ample warning of a dying fob battery... I used mine for quite a few weeks before finally changing out the battery. Maybe BMW didn't want cases of stranded vehicles should it be an electronic glitch? I've had it tell me it wasn't detected for a few seconds even with the key in my pocket (new battery).

side note: one of my favorite features is leaving the car running and still being able to lock the door (touch handle), do my 30-60 second task, then come back. I hate turning the vehicle off and back on so quickly. Comfort access is pretty sweet in that regard.

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'08 X5 3.0si - Alpine White / Saddle Brown interior
Specs: Sport Pkg, Premium Pkg, Tech Pkg, Comfort Access, Aero Kit, Style 433 staggered 20s on Conti DWS
Mods: Carbon 35 tint, LED angel eyes, GP Thunder 7500k fogs, H&R 20mm/25mm spacers, clear reflectors, gunsmoke-tinted taillights
Coded: Digital speedo, windows/sunroof/tailgate close via keyfob

X5 pics at Flickr