http://www.xoutpost.com/bmw-sav-foru...ghlight=Rfaber

Ive done a few of these recently, the hub puller isnt really necessary, unless you have a really badly seized CV axle. usually i use a pointed center punch and a 2 lb hammer, tap it out, use some penetrating oil (WD40 or so) once its loose, then take a prybar and pop it loose from the front diff.
I made a tool up from an old axle nut (ground off the nut part and use it "upside down" to "pull" the axle through, sometimes its really tight, DONT hammer on the rubber CV boot, DO not !! figure out a way to pull it through.
there is a thread on this highlighted before,
Good luck, its pretty satisfying to work on your own stuff

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2003 X5 3.0i (02/2003) sport package, Sapphire black metallic / Black Dakota Sport seats. compass mirror retrofit, trailer hitch retrofit, Prodigy P2 trailer brake controller installed, PDC retrofit, Lumbar support retrofit. heated rear seats retrofitted. Running boards retrofitted and subwoofer install in progress. 4.8is Brakes installed front and back. Bluetooth TCU installed, Rear Fog lights installed. Retrofitted reclining rear seat backs.