I am also on the heavier staggered 20 reps. Believe me, it's A LOT of stop and go everyday. I could only imagine what it would be if I had a 4.8 (so I can get to the next stop sign faster). I only get 21mpg when on highway exclusively and that's not even once a week.

Diesel would've been perfect for me. I had waited and waited and waited for the 3.0sd to come but I would've had to wait an extra 2.5 years beyond what I had already. Anyway, I don't do enough miles to really feel the pain at the pump. I love driving the thing when I do get the chance, that's it to me.

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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