I priced those out on an x5M 2011 (minus the powder coat)
MSRP: $90,575
Invoice: $83,355 (+Ad+MACO)

You should be able to order it new (2011) for ~ $85k plus you will get the LCI taillights.

We both live in OC, send me a PM I'll give you the name and email of my CA and you can give her a try...