Recently did the tire pressures again because of the changing temps. I followed the manual and it says 32psi usually. Only if you're going over 100mph or have 3rd row should you be at 35psi, but never all 4 at once. Mostly 32/35. With the staggered 20s, it's supposed to be 32/32.

Do you have differing instructions?

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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