I have them as well. I love the ride - definitely a lot stiffer though, but it's flat as heck in corners. I had the dealer reprogram the rear so that it thinks my wheel size is 17 inch so that it matches the front.

__________________
2002 X5 4.4 Sports and Premium Pack | Eibach Springs and Rear Links | Titanium Interior | E46 M3 Steering Wheel