Here is it
Pro's:
More comfortable than the 2001 2500HD GMC I was using.
Braking was very positive and I never felt like I didn't have enough brakes.
Cons:
Comfort seats..same complaint as on my 535i - I can't get them to be as comfortable as the sport seats on my old 545i. Too many damn adjustments. And the next X5 needs a better arm rest. Rant over.
Towing - The X5 is undersized (weight and power) at interstate speeds (70mph). With the i6T its sweet spot is 0-55mph and I felt very comfortable at that speed. Anything over and I felt it and I was working too hard.
Acceleration was good and I think it surprised a lot of people. With another 75lbs of torque cruising at 70mph would be much easier.
I averaged 12 MPG with an average speed of 60 mph which was pretty good considering the GMC would get 8mpg.
The Progidy Wireless remote - hookup and installation was a breeze. It did take two attempts to get the remote to pair but after that it worked flawlessly.
I did have an issue with the 12volt pin not being energized on the 7 way plug. I had a work around for the weekend and its in the shop today being rectified.
I did get an error code that the alternator was not charging the battery. I assumed the trailer lights were drawing too much juice from the system - I turned off the radio, trailer lights and the error went away.
Overall, I give it a 6.5 out of 10 as a towing vehicle. If you are towing often and anything near 6,000 I think a Suburban or something that size would make you much more comfortable. With that said it does work for for 5-6 track weekends and based on my expectations of it as a tow vehicle I give it an 8.5 - 9 out of 10.
Please ask questions.
