Morning Tony
The E70 is a manufacturing designation that identity's the Generation and type for example
1st Generation X5 was designated E53 manufactured from 1999 until 2006 (the X stands for AWD)
2nd Generation X5 designated E70 manufactured from 2006 until 2013
3rd Generation X5 designated F15 manufactured from 2013 until 2018+ (still available in some markets)
4th Generation X5 designated G05 manufactured from 2018 on (current model)
Engines available 3.0i 4.4 and 4.8i 4.4 twin turbo for the M petrol engines and a 3.0d.
The 3.0d is available as 3.0d, 35d, 4.0d, and the 5,0d M.
As far as trim is concerned BMW tend to have a base model and then the Customer decides on trim and equipment
A quick look at the add you attached your car seems well equipped with most of the Bells and Whistles