my SA says these batteries are supposed to last 7 years. Maybe he's talking about normal driving with a lot of highway...

they are keeping it for the night and seeing what happens in the morning. Oh and he said batteries are covered - so that's a plus. And for some reason their computers indicated I needed an oil change and gave me one (6 months from the last one)...

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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