I have owned a 2001 X5 4.4i Titanium Sport package 20" for 9 years
I driven it for 225k miles my repairs receipts = $12,385.26 post warranty (replaced every conceivable component on the engine plus front drive shafts, rear air suspension bags, timing chain guides, alternator, battery, tranny rebuilt,

I currently own a 2008 X5 4.8is Black/Black Sport package all options 20"
I driven it for 107k miles my repair receipts = $2,400.00 post warranty (replaced all gaskets, valley pan, both front wheel hubs, main seal, all hoses)

I love BMW just find a good BMW indy pro that you can trust... I found one in Long Island NY that are trained E70 BMW mechanics

Oh and don't forget getting yourself a Carly to do some custom programming......

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E53 Titaniun/Grey 4.4i - Sold
E70 Black/Black - 4.8i - Sold
F07 SpaceGrey/Black 4.4i Twin Turbo - Current
X5 & GT is the Ultimate Driving Machine