Also, believe it or not, I felt the carseats fit better in the X3 than the X5 due to the seat design of the X5.
2014 550i M Sport, European Delivery May 2014
2013 X3 35i, Dealer Delivery July 2012
Gone, but not forgotten:
2006 530i, European Delivery June 2005
2008 335i Coupe 6MT, PCD November 2007
2011 550i M Sport, European Delivery May 2011