I didn't mean to be "cooler" and I just love E70's new cool features..
I like my X5 but squicking... and rattlings...and i'm sick of it...
Dealing with that poor service department really sucks.
anyways, I'm gonna make that change but i'm not sure whether it's gonna be a 4.8i or 3.0si.
I just want to have some opinions.
i could get either a 3.0si with cool features or 4.8i with giving up some options.
if accelaration's not powerful enough in 3.0 compare to 4.4i then... I'll consider to get 4.8i.
now i'm going to testdrive both. I'll add some opinions later.

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2008 X5 4.8i Black Sapphire/Black perforated int./Dark Bamboo wood trim, [w/ all factory options except rear DVD system]
+ aerodynamic kit/stainless pedals/illuminated door strip/3M Color-Stable tint/LED license plate light/Thule's 91726 snowboard carrier.
2006 X5 4.4i, Titanium Silver/Black int./Anthricite Maple(traded)