Changing out the bulbs is a super easy job. Have a loook at your X5 manual and it shows you how. If you want to change the fog lamps as well, have a look at the following link:

http://www.xoutpost.com/articles/x5/l...mw-x5-e70.html

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[B]2014 Cayenne Turbo S[B]
2007 X5 4.8 - Titanium Silver , Black Leather, Premium, Prem Sound, Sport, Rear Climate, Heated Seats, Running Boards, Lux H8, GP Thunder Fogs
2003 BMW Z4 3.0si (retired)