I checked the PSF level yesterday and it is at the low end of the dipstick so maybe I'll just top it off and see. I have standard 17 inch wheels/tires.

I have had several other SUVs over the years (Mercedes, Lexus, Toyota, Subaru) and the X5 is, by far, the most difficult to turn at parking lot speeds.

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2005 X5 3.0i
2003 530i Sport (former)
2014 Audi A6 TDI Prestige (daily)
2018 MB C300 Cabriolet (wife's)