Emailed racechip us and received this response:
From: RaceChip Usa <info@racechip-usa.com>
Sent: Wednesday, January 24, 2018 9:17 PM
Subject: Re: Racechip GTS for BMW F15 X5 xdrive35i
This business is closed for good.
We recommend
https://www.cpachiptuning.us/
<automated email>