1.) Question 1. Is there anything else you guys recommend option wise that if you had to do it once do it right?

Heres what i would do based on 12 different tes drives i took.
If u get the Adaptive drive no need for the 20's unless u like the look. truck handles amazing with AD and 19's.

Build Your Own 2013 X5 xDrive50i

Exterior Interior Packages Options Accessories Summary EXTERIOR: INTERIOR:

My X5 xDrive50i Details
4.4-liter, V-8 engine with TwinPower Turbo technology
xDrive, intelligent all-wheel drive
See all standard features
BASE MSRP
$64,200
Carbon Black Metallic$0
Black Perforated Nevada Leather$0
Brushed Aluminum trim$0
Cold Weather Package$600
Luxury Seating Package$2,100
M Performance Package$1,600
M Sport Package$4,700
Premium Package 2$2,125
Adaptive Drive$2,650
Destination & Handling:$895

TOTAL MSRP AS BUILT$78,870