Originally Posted by Qsilver7 (Post 1124214)

I just did a quick search on YouTube for e70 remote tailgate close (took about 10 seconds to type into the search field)...and 4 back to back videos of e70 X5 tailgates...all closed just like it did in your video. (Selected the ones that were approx 20 seconds or less...so a total of about 1 minute revealed the results). So your tailgate appears to be normal. :)

Here's a direct link to my youtube search where you can see a list of videos that shows other e70 X5's tailgates closing with a "thud". :D