http://www.bmw.com/_common/shared/owners/bluetooth/jsp/serviceV2.jsp
?op=getVINData
&requestType=bluetooth
&language=en
&vin=1234567
&domain=kisu-check
binwalk
gives us:<SWIP digalg='sha256' signalg='sha256withRSA' version='0.3.6' ..
systemd
and freedesktop
it's a Linux system!