^ getting comfort seats after the sports package has always been a losing deal on the sports seats. They should give *some* kind of credit but they don't. You're paying $1k for comfort seats whether you have the base or sports seats to begin with. The biggest thing with the sports package in the US is the adaptive drive, which I believe is a separate option for you guys (I know it is in the UK, which comes as EDC & sports suspension separately). So do the math on what you end up actually getting and decide from there.

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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