Info lists the lifting height as 45" (48" with some 3" extension piece). Not bad for most work I would think (and unless you have a high ceiling, you probably can't lift real high anyway).

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2002 X5 4.4, Stahlgrau Metallic, 55k miles
Sport, Cold Weather, Rear Seat Heating, Rear Climate, Nav, PDC, Electric Rear Seat Back Adjustment, Rear Shades
Current Mods: M steering wheel, Mk4 Nav Retrofit, Intravee/Alpine/SpecDock, Cosmos Schwarz Interior Trim
Coming Soon: Hood Protector
Wish List: Aluminum Running Boards, Rear Backup Camera, 20" Staggered Style 87s (Black), Hitch Retrofit

1996 318ti, California package (plus tons of mods), Aqua Metallic, 237k miles